The House moved on two fronts on Sunday to force President Trump from office, escalating pressure on the vice president to strip him of power and committing to quickly begin impeachment proceedings against him for inciting a mob that violently attacked the seat of American government.
In a letter to colleagues, Speaker Nancy Pelosi said the House would move forward on Monday with a nonbinding resolution calling on Vice President Mike Pence to invoke the 25th Amendment, and wrest the powers of the presidency from Mr. Trump. She called on Mr. Pence to respond “within 24 hours.”
Next, Ms. Pelosi said, the House would bring an impeachment case to the floor. Though she did not specify how quickly it would move, leading Democrats have suggested they could press forward on a remarkably quick timetable, charging Mr. Trump with “high crimes and misdemeanors” by midweek.
“In protecting our Constitution and our democracy, we will act with urgency, because this president represents an imminent threat to both,” she wrote. “As the days go by, the horror of the ongoing assault on our democracy perpetrated by this president is intensified and so is the immediate need for action.”
The No. 3 House Democrat said on Sunday that the chamber could vote as soon as Tuesday on an article of impeachment charging President Trump with inciting a violent mob that attacked the Capitol — but then delay sending it to the Senate for trial.
Representative James E. Clyburn of South Carolina, the Democratic whip, said that the vast majority of House Democrats believed the president must be impeached for his conduct but that top leaders were still trying to determine how to punish Mr. Trump without hamstringing the first days of Joseph R. Biden Jr.’s presidency with an all-consuming Senate trial. They recognized it would be impossible to impeach and hold a trial before Mr. Trump leaves office in 10 days, he said.
“If we are the people’s house, let’s do the people’s work and let’s vote to impeach this president,” Mr. Clyburn said on “Fox News Sunday.” “The Senate will decide later what to do with that impeachment.”
In a separate interview on CNN’s “State of the Union,” Mr. Clyburn suggested that Speaker Nancy Pelosi was considering impeaching now but not sending the article to the Senate for trial for weeks — possibly until after Mr. Biden’s first 100 days in office. The Senate must immediately begin a trial when it receives impeachment articles, but it cannot begin one without them.
“Let’s give President-elect Biden the 100 days he needs to get his agenda off and running,” said Mr. Clyburn, an influential ally to the incoming president. “And maybe we will send the articles sometime after that.”
The comments came after senior Democrats had met late into the night on Saturday discussing possible options for the week ahead, as support for impeachment grew to encompass nearly their entire caucus. House leaders were giving extra attention to security concerns that could affect the timing after last weeks events, working with the U.S. Air Marshals and the Capitol Police to ensure lawmakers could travel safely back to Washington for a vote.
At the same time, pressure against the president continued to build, including from some Republicans. Senator Patrick J. Toomey of Pennsylvania became the second Republican senator to call for Mr. Trump to resign. And Mick Mulvaney, the president’s former acting chief of staff and a former congressman from South Carolina, said he would consider voting for articles of impeachment if he were still in the House, and predicted many other Republicans would do the same.
As of Sunday morning, 210 of 222 Democrats — nearly a majority of the chamber — had signed onto the article of impeachment drawn up by Representative David Cicilline of Rhode Island, Jamie Raskin of Maryland and Ted Lieu of California. It charges Mr. Trump with “willfully inciting violence against the government of the United States.”
Separately, Eleanor Holmes Norton, a Democrat and the District of Columbia’s nonvoting House delegate, planned to introduce a resolution formally censuring Mr. Trump. Though Ms. Holmes Norton supports impeachment, she argued that given Republican resistance to impeachment, censure was “the only way to send a bipartisan, bicameral message without delay to the country and the world that the United States is a nation of laws.”
In a letter to Chad Wolf, the acting secretary of homeland security, Mayor Muriel E. Bowser of Washington urged the Trump administration to take steps to protect the city and ensure a peaceful transfer of power before the inauguration of President-elect Joseph R. Biden Jr. this month, by canceling public gathering permits and denying applications for future gatherings, among other requests.
Citing what she described as “the unprecedented terrorist attack” and “insurrection” at the Capitol, Ms. Bowser called for an extension of the National Special Security Event, which designates the Secret Service, controlled by Mr. Wolf’s department, as the lead federal agency for security operations for the inauguration.
Under the request, the Special Security Event would run from Jan. 11 to Jan. 24 instead of Jan. 19 to Jan. 21. That would allow for better coordination between agencies, in light of “the new threats from insurgent acts of domestic terrorists,” Ms. Bowser wrote. She added that the department should also include the Capitol and its grounds in the perimeter of the security event.
Ms. Bowser also said the city was submitting a request for pre-disaster declaration under the Robert T. Stafford Disaster Relief and Emergency Assistance Act, which would “enhance and expedite” federal assistance in preparation for the inauguration. The president has sole discretion over the approval of the declaration.
Ms. Bowser also called for the Department of Homeland Security to coordinate with other agencies, Congress and the Supreme Court to establish a security plan to protect federal property so that the city’s Police Department can focus on the District itself.
In addition to those requests, Ms. Bowser asked the Interior Department to cancel any public gathering permits and deny any applications for events from Jan. 11 to Jan. 24.
“This week demonstrated the National Park Service’s willingness to approve last-minute permits and major adjustments,” she wrote. The National Park Service granted permits for thousands of President Trump’s supporters to gather around Washington as part of last week’s protests.
Ms. Bowser also requested that the acting homeland security secretary direct the F.B.I. to provide daily intelligence and threat briefings during this period to the District’s Police Department and its Homeland Security and Emergency Management Agency, and all law enforcement entities operating in Washington, D.C.
Mr. Trump said on Friday that he would not attend Mr. Biden’s inauguration. Two days earlier, he had stoked his supporters’ anger about the election, inciting the violence at the Capitol.
There are fears that there may be more violence leading up to the inauguration. In a statement explaining its decision to permanently bar Mr. Trump from Twitter, the company said, “Plans for future armed protests have already begun proliferating on and off-Twitter,” including a proposed attack on the U.S. Capitol and State Capitol buildings on Jan. 17.
On other more obscure social networks, private chat groups included talk of a possible “Million Militia March” on Jan. 20 that would disrupt Mr. Biden’s inauguration.
Former Secretary of State Colin Powell said on Sunday, days after supporters of President Trump stormed the United States Capitol, that he no longer considers himself a member of the president’s party.
In an interview on CNN, the host, Fareed Zakaria, asked Mr. Powell if Republican Party members “realize that in a sense they caused, that they encouraged at least this wildness to grow and grow,” referring to Mr. Trump’s chaotic governance, which culminated in the violence last week.
Mr. Powell, 83 and a longtime Republican Party member, replied, “They did and that’s why I can no longer call myself a fellow Republican.” Mr. Powell, a retired four-star general who served in President George W. Bush’s White House and twice endorsed Barack Obama’s successful presidential bids, said he was not looking at the recent events through a lens of partisan politics.
“You know I’m not a fellow of anything right now,” Mr. Powell said. “I’m just a citizen who has voted Republican, voted Democrat, throughout my entire career and right now I’m just watching my country and not concerned with parties.” He added that Republican officials, “should have known better” than to support Mr. Trump, but “they were so taken by their political standing” and “none of them wanted to put themselves at political risk” by speaking out against him.
“We need people that will speak the truth,” Mr. Powell added.
While sheltering in a secure location as a mob of Trump supporters stormed the Capitol on Wednesday, House lawmakers may have been exposed to someone who was infected with the coronavirus, Congress’s Office of the Attending Physician said on Sunday.
In an email sent to lawmakers, Dr. Brian P. Monahan, the attending physician, said that while “the time in this room was several hours for some and briefer for others,” during that period, “individuals may have been exposed to another occupant with coronavirus infection.” He told lawmakers to obtain a P.C.R. test as a precaution and continue taking preventive steps against the spread of the virus.
Congress has long struggled to stem the spread of the virus within its ranks, with mixed guidance and a delayed testing regimen. Dozens of lawmakers, staff members and reporters took shelter in the secure room on Wednesday, but a handful of Republicans refused to wear masks, one person there said, even as Representative Lisa Blunt Rochester, Democrat of Delaware, tried to pass out masks.
Before the mob breached the Capitol, Speaker Nancy Pelosi of California, overseeing the certification of President-elect Joseph R. Biden Jr.’s victory and debate over a Republican effort to subvert those results in certain states, admonished Republicans for having too many people on the floor and for some objectors refusing to wear masks as they spoke.
As the 117th Congress reconvened a week ago, multiple lawmakers tested positive for the coronavirus after taking their oath. Late Wednesday, one Republican, Representative Jake LaTurner of Kansas, received positive test results after voting on the House floor to overturn Arizona’s results and did not return for a second vote early Thursday. It was unclear where Mr. LaTurner was sheltering in place as the mob tried to break into the House chamber, but in a statement issued shortly before 3 a.m. on Thursday, his office said he was not experiencing symptoms.
Because lawmakers qualified for early access to the coronavirus vaccine, many have received at least one shot of a two-dose vaccine, with some receiving both doses. Some congressional aides have been authorized to receive the two-dose vaccine.
WASHINGTON — A second Republican senator called on Sunday for President Trump to resign from office after inciting a violent siege of the Capitol, but conceded it was unlikely in the 10 days remaining in his term.
Senator Patrick J. Toomey, Republican of Pennsylvania, said Mr. Trump had “spiraled down into a kind of madness” since the election and had effectively “disqualified himself” from ever running for office again.
“I think the best way for our country, Chuck, is for the president to resign and go away as soon as possible,” he told the host Chuck Todd on NBC’s “Meet the Press.” “I acknowledge that may not be likely, but I think that would be best.”
Speaking in a separate interview on CNN’s “State of the Union,” Mr. Toomey also predicted that Mr. Trump could face “possible criminal liability” for his actions and would lose influence over his party — a matter hotly debated by elected Republicans fearful he will not.
The comments from Mr. Toomey, who does not plan to run for re-election in 2022, came as Republicans faced intense pressure by Democrats to constrain Mr. Trump in his final days in office and join them in an effort to punish Mr. Trump for his culpability in violence that sacked the Capitol and left at least five people dead.
Senator Lisa Murkowski, Republican of Alaska, was the first senator in her party to call for Mr. Trump to resign, saying late last week that she was prepared to leave the Republican Party and become a political independent if necessary. Senator Ben Sasse, Republican of Nebraska, has also said he would consider articles of impeachment if approved by the House.
Mr. Toomey cast doubt on the possibility that Vice President Mike Pence and the cabinet would use the 25th Amendment to try to constrain Mr. Trump’s powers, and he said there was not time to undertake a full impeachment before President-elect Joseph R. Biden Jr. took office. That comment came a day after Mr. Toomey said he thought Mr. Trump’s conduct constituted an “impeachable offense.”
“I would certainly hope and I actually do believe that the president has disqualified himself,” he said on “Meet the Press.” “I don’t think he’s a viable candidate for office ever again because of the outrageous behavior in the postelection period.”
Mr. Toomey, who had vocally opposed from the start Republican efforts to overturn Mr. Trump’s election loss based on baseless voter fraud claims, said colleagues who had aided the effort, including Senators Josh Hawley of Missouri and Ted Cruz of Texas, were “complicit.”
“They’re going to have a lot of soul searching to do, and the problem is they were complicit in the big lie,” he said. “They compounded that with this notion that somehow this could all be reversed in the final moments of the congressional proceedings. So that’s, that’s going to be, that’s going to haunt them for a very long time.”
President Trump on Sunday issued a proclamation ordering that the American flag at the White House and at all federal buildings and grounds be lowered in honor of two U.S. Capitol police officers who died after the violent riot by the president’s supporters at the Capitol on Wednesday.
The move came after the flags at the Capitol complex had been lowered in honor of Officer Brian Sicknick, who died from injuries he sustained engaging with the mob of Trump supporters who broke in and overtook the building. Another officer, Howard Liebengood, died by suicide over the weekend.
Despite widespread criticism, Mr. Trump had refused to lower the flags, but relented on Sunday.
“I hereby order that the flag of the United States shall be flown at half-staff at the White House and upon all public buildings and grounds, at all military posts and naval stations, and on all naval vessels of the Federal Government in the District of Columbia and throughout the United States and its Territories and possessions until sunset, January 13, 2021,” Mr. Trump wrote in the proclamation. “I also direct that the flag shall be flown at half-staff for the same length of time at all United States embassies, legations, consular offices, and other facilities abroad, including all military facilities and naval vessels and stations.”
Of the many images to have emerged from Wednesday’s storming of the United States Capitol, one that laid bare the overt bigotry of many in the mob was a picture of a man in a T-shirt that read “Camp Auschwitz.”
The man wearing the shirt appears to be Robert Keith Packer from Newport News, Va., according to two people — a former acquaintance and a neighbor. The New York Times also obtained an old police mug shot of Mr. Packer that closely resembles the man photographed on Wednesday at the Capitol. The former acquaintance and neighbor asked not to be identified for fear of angering Mr. Packer.
Mr. Packer’s “Camp Auschwitz” shirt also included the phrase “Work Brings Freedom,” which is a rough translation of, “Arbeit macht frei.” The German words were welded onto an iron arch that stood over one of the gates of the Nazi death camp, where more than 1.1 million people were killed during World War II.
Mr. Packer could not be immediately reached for comment. A phone number listed under his name was disconnected, and he did not answer his front door. On Sunday, a car registered in Mr. Packer’s name was parked outside the house that he owns in Newport News. His identity was first reported by CNN.
The F.B.I. arrested two men on Sunday who were photographed in the Senate chamber clad in military-style clothing and holding zip ties, according to a statement issued by the Justice Department.
One of the men, Eric Gavelek Munchel, 30, was taken into custody in Nashville on one count of unlawfully entering a restricted building and one count of violent entry and disorderly conduct on Capitol grounds, the department said. One of the officials involved in the case said authorities also recovered several weapons at the time of his arrest.
The department also said that photographs of a person who appeared to be Mr. Munchel showed him “carrying plastic restraints, an item in a holster on his right hip, and a cell phone mounted on his chest with the camera facing outward, ostensibly to record events that day.”
Efforts to reach Mr. Munchel before his arrest were unsuccessful.
The other man, Larry Rendell Brock, was arrested in Texas on the same charges after he was allegedly identified as one of the people who broke into the Capitol. The department said in its statement that images of a person who appeared to be him showed Mr. Brock clad in “a green helmet, green tactical vest with patches, black and camo jacket, and beige pants holding a white flex cuff, which is used by law enforcement to restrain and/or detain subjects.”
Mr. Brock’s ex-wife contacted the F.B.I. on Friday to say that she recognized him in a photograph taken inside the Capitol building during the riot, according to an F.B.I. affidavit.
“When I saw this was happening, I was afraid he would be there,” she told investigators, according to the affidavit. “It is such a good picture of him and I recognize his patch.”
A second witness who identified Mr. Brock in photographs taken inside the building noted that the suspect had pilot wings on his chest in the picture, and that Mr. Brock was an Air Force pilot, the affidavit said. The witness also said that Mr. Brock worked at L3 Technologies, a defense contractor, and that his contacts at the company “knew he was flying to Washington, D.C.,” the witness told investigators.
The two men are among the more than a dozen people charged by federal authorities in connection with the attack on Congress. Internet researchers pieced together what was thought to be their identities in the days after the siege. Investigators in Washington, Tennessee and Texas are working on the cases; and the cases will be prosecuted by the U.S. Attorney’s Office in Washington and the counterterrorism section of the Justice Department’s National Security Division.
Mr. Munchel traveled to Washington with his mother, Lisa Eisenhart, and the pair said in an interview with The Times of London that they broke into the Capitol to observe the action, and that they left after rioters talked about stealing electronics and government papers.
But Mr. Munchel also said that he and his mother “wanted to show that we’re willing to rise up, band together and fight if necessary,” and he compared himself and his mother to the Founding Fathers.
“I’d rather die as a 57-year-old woman than live under oppression,” Ms. Eisenhart told The Times of London. “I’d rather die and would rather fight.”
In a video posted to Twitter on Sunday that quickly drew millions of views, Arnold Schwarzenegger, the movie star and former California governor, compared the riot at the Capitol last week to Kristallnacht, a rampage in Germany in 1938 in which Nazi-inspired mobs burned synagogues and destroyed Jewish-owned shops.
Seated at a desk and flanked by the American and Californian flags, Mr. Schwarzenegger wove his experiences growing up in Austria after World War II to what he was witnessing in the United States.
“Being from Europe, I’ve seen firsthand how things can spin out of control,” he said, adding that while others may fear that something similar could happen in the United States, he did not think it would.
“I do believe that we must be aware of the dire consequences of selfishness and cynicism,” he warned.
Mr. Schwarzenegger recalled growing up surrounded by men who drank away their “guilt over their participation in the most evil regime in history.” His father, like others in the neighborhood, would return home drunk once or twice a week, and “he would scream and hit us and scare my mother,” he said.
The painful memory, he said, was one he had not shared so publicly before, but he chose to do so to underscore the “emotional pain” that these men experienced from what they saw or did.
“My father and our neighbors were misled also with lies,” he said. “And I know where such lies lead.”
Mr. Schwarzenegger linked the pro-Trump mob that stormed the Capitol to Kristallnacht, describing the attacks against Jews more than 80 years ago as carried out by “the Nazi equivalent of the Proud Boys.”
Within hours, the 7-minute video drew nearly 10 million views on Twitter.
Mr. Schwarzenegger, a Republican who has long been critical of President Trump, described him in the video as a “failed leader” and the “the worst president ever.” Noting the book written by former President John F. Kennedy called “Profiles in Courage,” Mr. Schwarzenegger added that a number of Republicans would never see their names in such a book because of what he called “their own spinelessness.”
“We need to hold accountable the people who brought us to this unforgivable point,” he said.
In a call for bipartisanship, Mr. Schwarzenegger underscored the need for the nation’s healing. Referring to his 1982 film “Conan the Barbarian,” he picked up a sword from his desk and said “This is the Conan sword.” A sword is tempered and strengthened by pounding it with a hammer and then heating and cooling it, he said.
“Our democracy is like the steel of this sword,” Mr. Schwarzenegger said. “The more it is tempered, the stronger it becomes.”
Michael R. Sherwin, the U.S. attorney in Washington, said on Sunday that the Justice Department was considering charges for “theft of national security information” after the violent mob that stormed the Capitol on Wednesday looted laptops, documents and other items from congressional offices.
In an interview with NPR, Mr. Sherwin did not go into detail about what was stolen or the extent of the breach, but he had previously alluded to “electronic items” and “documents” that had been stolen from offices.
Senator Jeff Merkley, Democrat of Oregon, posted a video on Twitter in the hours after the riot showing the extent of the damage to his office. He said that the rioters “smashed the door virtually off its hinges” and stole a laptop from his desk.
Drew Hammill, the deputy chief of staff to Speaker Nancy Pelosi, said in a tweet on Friday that a laptop had also been stolen from a Capitol conference room, though he added that the device “was only used for presentations.”
In an internal memo sent the day after the attack, Catherine Szpindor, the chief administrative officer for the House of Representatives, said there were “no indications that the House network was compromised.” But she urged lawmakers and their staff members to take inventory of their electronic equipment and treat any storage devices found as “potentially compromised.”
The mob also had access to paper documents during the breach of lawmakers’ offices. Richard Barnett, 60, of Gravette, Ark., posed for a photograph holding a personalized envelope from Ms. Pelosi’s office. He was later arrested.
Ali Zaslav, a CNN journalist who was with lawmakers in the Senate chamber as the Capitol was being stormed, posted a video on Twitter showing the office of the Senate parliamentarian vandalized, with documents strewn across the floor.
Elijah Schaffer, a reporter for The Blaze, a right-wing media company, was among the mob — whom he described as “revolutionaries” — as they ransacked Ms. Pelosi’s office. He posted a photograph on Twitter showing a computer in the office with emails “still on the screen.”
Mr. Schaffer later deleted the tweet.
Major technology companies like Google and Microsoft, as well as telecommunications giants like Comcast and Verizon, are among the nearly 1,000 people and groups that have donated at least $200 to the committee organizing President-elect Joseph R. Biden Jr.’s scaled-back inauguration celebration this month.
The donor list, released Saturday evening by the committee, was filled mostly with individual donors, including major givers to Democrats such as Arthur Blank, the owner of the Atlanta Falcons; Richard C. Blum, the husband of Senator Dianne Feinstein of California; and Donald Sussman, a hedge fund mogul.
The inaugural committee did not list any of the amounts that these 959 donors had given as of Dec. 31, the end of the period covered in the voluntary disclosure.
The actual donor amounts may not be known until 90 days after the inauguration when the committee will be required under law to disclose the names and amounts of all donations over $200. There are no legal limitations on how much a donor can give to an inaugural committee, but Mr. Biden’s committee voluntarily limited contributions by individuals to $500,000 and by corporations to $1 million.
Many of the major corporations that traditionally make large contributions to inauguration events are missing. Some have explained that they are not going to donate given that the event will largely be virtual because of the pandemic. Others have said they are focusing their donations on helping people affected by economic downturn caused by the coronavirus pandemic.
But the technology and telecommunications industries, a major source of cash for Mr. Biden’s campaign and the groups supporting it, are well represented on the list, with donations also coming from Qualcomm, a semiconductor and software company based in California, and Charter Communications, a cable company.
Mick Mulvaney, the former White House chief of staff, said on Sunday that President Trump’s conduct that encouraged a mob of his supporters to storm the Capitol should be viewed differently from the behavior that had drawn criticism throughout his presidency.
“You could go down the long litany of things that people complained about with Donald Trump and I could probably defend almost all of them,” Mr. Mulvaney said on “Fox News Sunday,” describing many of those differences as about policy or style.
“But Wednesday was different,” he continued. “Wednesday was existential. Wednesday is one of those things that struck to the very heart of what it means to be an American, and it was wrong.”
Mr. Mulvaney, a former Republican congressman from South Carolina, served as Mr. Trump’s acting chief of staff for more than 14 months. In March, Mr. Trump replaced him with Mark Meadows, who was then a House member from North Carolina. Mr. Mulvaney became a special envoy for Northern Ireland, a position he resigned from last week after the riot.
When the host of “Fox News Sunday,” Chris Wallace, asked what prompted the resignation, Mr. Mulvaney said, “I think everybody recognizes that what happened on Wednesday is different.”
Mr. Mulvaney implied that the public and the press were not aware of how Mr. Trump acted in private, and the ways that members of his administration were able to redirect the president from some of his destructive impulses.
“We saw the real President Trump who had that ability to pivot when he knew something had gone off the rails,” he said of his time as chief of staff.
He predicted that many Republicans would not view a second impeachment of Mr. Trump the same as they did the first, which ended with the Senate voting to acquit him in February.
“I can assure you, there will be members of both parties who would look at it very very differently than they did last year,” Mr. Mulvaney said.
Another longtime ally of Mr. Trump, Chris Christie, said on Sunday that the president had committed impeachable offenses and that he would vote yes on articles of impeachment if he were in Congress.
“If inciting to insurrection isn’t” impeachable, Mr. Christie, the former governor of New Jersey, said on ABC’s “This Week,” “then I don’t really know what is.”
As for whether Mr. Mulvaney would vote to impeach if he were still in the House, he said, “I think it isn’t fair to sit here and say yes or no, but I would take it really, really seriously.”
“I’m not trying to dodge your question, but that’s probably the most serious question you can ask any member of Congress,” he added.
In an interview with the CBS News show “60 Minutes” that aired on Sunday night, Speaker Nancy Pelosi said that President Trump should be held accountable legally and constitutionally for the violence that erupted at the Capitol on Wednesday.
“Well, sadly, the person who is running the executive branch is a deranged, unhinged, dangerous president of the United States,” she said. “He has done something so serious that there should be prosecution against him.”
Ms. Pelosi recounted being ushered out of the House chamber to an undisclosed location during the riot and showed the damage to her suite of offices in the Capitol to the CBS correspondent Lesley Stahl. She called it “a terrible, terrible violation of the Capitol, of the first branch of government, the legislative branch, by the president of the United States.”
“This door, they broke down,” she said. “They smashed it in.”
She led Ms. Stahl to a conference room, where, Ms. Pelosi said, her frightened staff members hid as the rioters ransacked her office and stole a laptop. “The staff went under the table, barricaded the door, turned out the lights and were silent in the dark under the table for two-and-a-half hours,” Ms. Pelosi said.
The rioters could be heard banging on the door in an audio recording provided to CBS by the office of Ms. Pelosi, who said that the attack was premeditated and well planned.
“They were vocally saying,” Ms. Pelosi said, “‘Where’s the speaker? We know she has staff. They’re here some place. We’re going to find them.’”
Ms. Pelosi said that the Republicans in the House who still mounted opposition to the counting of the presidential electoral votes after Wednesday’s attack should be ashamed of themselves. She then drew a comparison to the resignation of President Richard M. Nixon in 1974 amid the Watergate scandal.
“I remember when Republicans in the Senate went to see Richard Nixon and said, ‘It’s over,’” Ms. Pelosi said. “That’s what has to happen now.”
Despite escalating tensions between Mr. Trump and Vice President Mike Pence, Ms. Pelosi said that when she and Senator Chuck Schumer, the Democratic Senate leader, called Mr. Pence to try to urge him to initiate the removal of Mr. Trump from office using the 25th Amendment, she said that they were ignored.
“We were kept on the line for 20 minutes,” she said. “We’re still waiting for him to return the call.”
One of the motivations for initiating impeachment proceedings against Mr. Trump for a second time is in case Mr. Trump decides to run for president again, Ms. Pelosi said. “This president is guilty of inciting insurrection,” she said. “He has to pay a price for that. We’re not going to let go an insurrection in our country, an attempt of a coup d’état, so that we cannot validate the election of the next president of the United States.”
Middlebury College leadership is considering revoking an honorary Doctor of Laws degree from Rudolph Giuliani, President Trump’s personal lawyer, in response to the riots at the Capitol on Wednesday.
The college initiated the process to consider revoking the degree due to Mr. Giuliani’s role in “fomenting the violent uprising against our nation’s Capitol building on January 6, 2021 — an insurrection against democracy itself,” the school’s president, Laurie Patton, wrote in a statement on Sunday.
Mr. Giuliani was granted the honorary degree when he gave the commencement address to the Middlebury class of 2005. He was known at the time for his work as New York City mayor and for his response to the Sept. 11 terrorist attacks.
The Middlebury Campus — the student newspaper — published an editorial on Sunday calling for the college to rescind Mr. Giuliani’s honorary degree for his propagation of false claims of voter fraud in the presidential election, and for encouraging Trump’s supporters to stage a “trial by combat” shortly before the group stormed the Capitol.
In the aftermath of the violent insurrection, Mr. Trump has had two honorary degrees rescinded — from Wagner College in New York and Lehigh University in Pennsylvania.
Senator Joe Manchin III, Democrat of West Virginia, said on Sunday that those who incited the Capitol riot, including President Trump, should “absolutely” be investigated by prosecutors and that a “judicial path” would be better than the Senate undergoing a time-consuming impeachment trial.
In an interview on “State of the Union” on CNN, Mr. Manchin, a moderate, echoed his fellow Democrats that the president should be impeached but implied that a Senate trial would slow the chamber’s ability to confirm members of President-elect Joseph R. Biden Jr.’s administration. The Senate could not begin an impeachment trial before Inauguration Day, Mr. Manchin noted.
“We’re a country — the rule of law is who we are. That’s our bedrock, and that means no person’s above the law,” he said when asked about whether he supported the prosecution of Mr. Trump or anyone else who incited the riot. “If people have died, and we know they have, and all the damage that was done, an insurrection on our own Capitol, someone has to be held accountable for that.”
The Justice Department backed off the prospect of pursuing charges against the president after Michael R. Sherwin, the U.S. attorney in Washington, at first refused to rule out the possibility of investigating him.
Mr. Manchin recalled being under lockdown with other senators during the Capitol siege and pleading with Senator Josh Hawley, Republican of Missouri, to reconsider challenging the Electoral College votes. Mr. Hawley refused and objected to Pennsylvania’s slate of electors later that evening, forcing both chambers into a two-hour debate.
Mr. Manchin said he believed the Senate could not expel members like Mr. Hawley who challenged the election results, saying, “They stayed within the confines of what the rules and laws allow them to do.” Instead, he asked, would the public want to re-elect those senators who objected and have “blood on their conscience”?
President-elect Joseph R. Biden Jr. is facing an arduous struggle to get his choice for secretary of defense in place by Inauguration Day, a senior national security position that all but one president in modern history has secured by Day 1.
The potential delay stems from the need of the nominee, Lloyd J. Austin III, a retired four-star Army general, to obtain a congressional exemption from a law that bars recently retired active-duty officers from serving in the top Pentagon job.
While only the Senate votes to confirm the secretary, House approval of General Austin’s waiver is also required. The House Armed Services Committee will not be holding a hearing on the matter until the day after Mr. Biden is sworn in.
Every president since Eisenhower had his defense secretary confirmed within 24 hours of when he was inaugurated (most on the same day) except for President George Bush, whose nominee, John G. Tower, was rejected; Dick Cheney was swiftly confirmed and installed a week later. (President Barack Obama’s first defense secretary, Robert M. Gates, was held over from the George W. Bush administration.)
Starting an administration without a secretary of defense in place is undesirable for any president, but it would be particularly fraught at a time of extraordinary turmoil in the world, and in the nation’s capital.
“If there was ever a time when you want a president’s confirmed secretary of defense in place as the only other civilian in the chain of command and fully in charge of the military — active duty, guard and reserve — it’s now,” said Arnold L. Punaro, a retired two-star Marine general and former staff director of the Senate Armed Services Committee.
The Senate could quickly confirm Kathleen Hicks, the nominee for deputy defense secretary, who could serve as acting secretary until General Austin’s nomination was resolved. Or Mr. Biden would ask the current deputy secretary, David L. Norquist, to stay on for that same period. President Trump fired Defense Secretary Mark T. Esper in November and replaced him with a team of loyalists, including an acting defense secretary who has not gone through Senate confirmation, as has Mr. Norquist.
Members of the transition team say they are focused on pushing their nominee through in a timely manner.
On Saturday, a bevy of top former national security officials from both parties released an open letter urging the Senate to quickly confirm Mr. Biden’s entire national security team, warning of the need to have a fast transition of executive power after a week of chaos in the nation’s capital.
On Wednesday, a mob of Trump supporters, encouraged by President Trump himself, converged on the U.S. Capitol, swept past law enforcement and rampaged through the halls of Congress.
The insurrection resulted in the deaths of a Capitol Police officer who was struck in the head with a fire extinguisher and a rioter who was shot by a police officer as she tried to push her way into the heavily protected Speaker’s Lobby, just outside the House chamber. Three others died as a result of “medical emergencies” on the Capitol grounds, according to the authorities.
In the days since the riot, federal and local authorities have begun arresting people who they said were involved, and on Friday, the Justice Department announced that it had charged 13 people. Dozens of others have been charged in Superior Court in Washington, D.C., with unlawful entry, curfew violations and firearms-related crimes.
Here are a few of the people who face charges.
Jake Angeli, a well-known conspiracy theorist who was photographed in the Capitol on Wednesday, was arrested on Saturday. He entered the building shirtless, with his face painted red, white and blue, and wearing a fur headdress with horns.
Nicknamed Q Shaman for his propagation of baseless QAnon conspiracy theories, Mr. Angeli has been a fixture at pro-Trump rallies in Arizona since the 2016 election.
He was charged with one count of knowingly entering or remaining in any restricted building or grounds without lawful authority, and one count of violent entry and disorderly conduct on Capitol grounds.
Adam Johnson, 36, of Parrish, Fla., was arrested by U.S. marshals on Friday night after a widely circulated photograph showed him smiling and waving as he hauled off Speaker Nancy Pelosi’s lectern.
He was charged with one count of knowingly entering or remaining in any restricted building or grounds without lawful authority, one count of theft of government property, and one count of violent entry and disorderly conduct on Capitol grounds.
Richard Barnett, 60, of Gravette, Ark., was photographed sitting with his feet on a desk in Ms. Pelosi’s office. He was arrested on Friday in Bentonville, Ark. He is scheduled to appear in federal court on Tuesday and will ultimately be extradited to Washington.
He was charged with knowingly entering or remaining in any restricted building or grounds without lawful authority, violent entry, disorderly conduct on Capitol grounds, and theft of public money, property, or records
Parler, a social network that pitches itself as a “free speech” alternative to Twitter and Facebook, is suffering from whiplash.
Over the past several months, Parler has become one of the fastest-growing apps in the United States. Millions of President Trump’s supporters have flocked to it as Facebook and Twitter increasingly cracked down on posts that spread misinformation and incited violence, including muzzling Mr. Trump by removing his accounts this past week. By Saturday morning, Apple listed Parler as the No. 1 free app for its iPhones.
But, by Saturday night, Parler was suddenly fighting for its life.
First, Apple and Google removed the app from their app stores because they said it had not sufficiently policed its users’ posts, allowing too many that encouraged violence and crime. Then, late Saturday, Amazon told Parler it would boot the company from its web-hosting service on Sunday night because of repeated violations of Amazon’s rules.
Amazon’s move meant that Parler’s entire platform would soon go offline unless it was able to find a new hosting service on Sunday.
“Big tech really wants to kill competition,” John Matze, Parler’s chief executive, said in a text message. “And I have a lot of work to do in the next 24 hours to make sure everyone’s data is not permanently deleted off the internet.”
A day earlier, Parler appeared poised to capitalize on growing anger at Silicon Valley in conservative circles and was even a logical choice to become Mr. Trump’s next megaphone after he was kicked off Twitter.
The actions against Parler were part of a wider crackdown by tech companies on Mr. Trump and some of his most extreme supporters after Wednesday’s deadly riot in Washington.
Several upstarts have courted Mr. Trump’s supporters with promises of “unbiased” and “free speech” social networks, which have proven to be, in effect, free-for-all digital town squares where users hardly have to worry about getting banned for spreading conspiracy theories, making threats or posting hate speech. The tougher enforcement from the tech companies could preclude such apps from becoming realistic alternatives to the mainstream social networks. They now face the choice of either stepping up their policing of posts — undercutting their main feature in the process — or losing their ability to reach a wide audience.
False claims that President Trump is working with a Justice Department official to pardon the rioters who attacked the Capitol have spread fast on social media, prompting the department to say on Saturday that the post was untrue.
“POTUS is strongly considering PARDONING all of the patriots who #stormthecapitol,” the post said, falsely claiming to have been written by Rosalind Sargent-Burns, the Justice Department’s acting pardon attorney.
The department said that its Office of the Pardon Attorney was not on social media and that it was “not involved in any efforts to pardon individuals or groups involved with the heinous acts that took place this week in and around the U.S. Capitol.”
Mr. Trump has used his few remaining days in office to pardon friends and allies, including Michael T. Flynn, his first national security adviser, who pleaded guilty to lying to the F.B.I., and Charles Kushner, who is the father of Jared Kushner, the president’s son-in-law, and was convicted on charges of illegal campaign contributions, tax evasion and witness tampering.
The president has also told aides that he was exploring the possibility of pardoning himself, according to two people with knowledge of the discussions. Such a move would test the limits of the power of the presidency, a theme that has become the hallmark of Mr. Trump’s time in office.
A man who was photographed carrying the lectern of Speaker Nancy Pelosi during the raid on the U.S. Capitol last week and another who roamed through the halls of Congress while wearing a horned fur headdress have been arrested and charged, the Justice Department said on Saturday.
Adam Johnson, 36, of Parrish, Fla., was arrested by U.S. Marshals on Friday night after a widely circulated photograph showed him sporting a wide smile as he waved to the camera with one hand and hauled off Ms. Pelosi’s lectern with the other. On his head he wore a Trump knit hat, with the number 45 on the front.
Jail booking records from the Pinellas County Sheriff’s Office provide scant details about the arrest of Mr. Johnson but show that he was arrested on a federal warrant. He was charged with one count of knowingly entering or remaining in any restricted building or grounds without lawful authority, one count of theft of government property, and one count of violent entry and disorderly conduct on Capitol grounds.
The office of Michael Sherwin, the top federal prosecutor in Washington, said on Saturday that it had also charged Jake Angeli, a well-known conspiracy theorist who was photographed in the Capitol on Wednesday.
Mr. Angeli entered the building shirtless, with his face painted red, white and blue, and wearing a fur headdress with horns. He also carried a spear, about six feet long, with an American flag affixed just below the blade, according to Mr. Sherwin’s office.
Nicknamed “Q Shaman” for his propagation of baseless QAnon conspiracy theories, Mr. Angeli was a fixture at pro-Trump rallies in Arizona after the 2016 election. He was arrested on Saturday.
Early Saturday morning, the F.B.I. arrested Doug Jensen, who was captured on a video taken by Igor Bobic of HuffPost that showed him pushing far into the Capitol, ignoring the warnings of a law enforcement officer.
On his Twitter account, Mr. Jensen posted a photo of himself during the raid with the captions “You like my shirt?” and “Me… .”
Mr. Jensen is in custody in Polk County, Iowa, and is facing charges including obstructing a law enforcement officer during a civil disorder, according to a spokesman for the Polk County Sheriff’s Office.
The authorities also arrested Richard Barnett, 60, on Friday, the man pictured with his feet kicked up on a desk in Ms. Pelosi’s office during the Capitol siege. Mr. Barnett, who was arrested in Bentonville, Ark., will appear in federal court on Tuesday and will ultimately be extradited to Washington.
A man who had an assault rifle was charged with threatening Nancy Pelosi, the House speaker, after he traveled to Washington for the pro-Trump rally on Wednesday and sent a text message saying he would put “a bullet in her noggin on Live TV,” the federal authorities said.
Federal agents said the man, Cleveland Grover Meredith Jr., had been staying at a Holiday Inn in Washington and had weapons in his camper-style trailer, including a Glock handgun, a pistol, a Tavor X95 assault rifle and hundreds of rounds of ammunition.
Mr. Meredith was charged with transmitting a threat in interstate commerce, possession of an unregistered firearm and unlawful possession of ammunition, according to court records. It was not immediately clear if he had a lawyer.
The Justice Department said on Friday that he was one of 13 people who had been charged in federal court after a violent pro-Trump mob stormed the Capitol on Wednesday and disrupted Congress as it was certifying the results of the presidential election.
Those charged included conspiracy theorists, members of the far-right Proud Boys group, elected officials and everyday Americans.
The Atlanta Journal-Constitution reported that Mr. Meredith had erected a billboard in 2018 in Acworth, Ga., that read, “#QANON” along with the name of his business, Car Nutz Car Wash.
The QAnon conspiracy theory, which the F.B.I. has labeled a potential domestic terrorism threat, accuses Democrats and some Republicans of being beholden to a cabal of bureaucrats, pedophiles and Satanists. Many followers believe that President Trump is secretly battling a criminal band of sex traffickers.
Mr. Meredith told The Journal-Constitution in 2018 that he had put up the QAnon billboard because he was “a patriot among the millions who love this country.”
Mr. Meredith, whose current hometown was unavailable, told federal agents that he had been traveling from Colorado and had arrived too late for Wednesday’s rally in Washington.
“I’m trying but currently stuck in Cambridge, OH with trailer lights being fixed,” he wrote in one of several text messages to friends, according to the F.B.I.
In another text message, accompanied by a purple devil emoji, he said he had “a ton of 5.56 armor piercing ammo.” In other text messages, he referred to Ms. Pelosi with misogynistic slurs and threatened to run her over, the F.B.I. said.
“I predict that within 12 days, many in our country will die,” Mr. Meredith wrote, according to the F.B.I.
Representative Alexandria Ocasio-Cortez suggested on Sunday that more House Democrats were considering invoking the 14th Amendment to expel Republican lawmakers who had participated in efforts to subvert the results of the November election.
Ms. Ocasio-Cortez, Democrat of New York, made the remark while discussing the possible impeachment of President Trump and other efforts to respond to the storming of the Capitol last week.
“This is not either the 25th Amendment, or impeachment,” Ms. Ocasio-Cortez said on ABC’s “This Week,” adding, “We are looking towards multiple avenues, and I do not believe that those avenues are mutually exclusive.”
Ms. Ocasio-Cortez is the latest House Democrat to suggest invoking Section 3 of the 14th Amendment, which disqualifies elected officials who “have engaged in insurrection or rebellion” against the United States.
The clause was originally enacted to limit the influence of former Confederates in the Reconstruction era. It has been used occasionally since. Victor L. Berger, a member of the Socialist Party of America, was repeatedly prevented from taking his seat by a House resolution after winning election in 1919 because he had been convicted under the Espionage Act.
In Mr. Berger’s case, a House resolution was passed — with an overwhelming 309-to-1 vote — barring him from his seat in Congress. A special election was held in his Wisconsin congressional district for the vacated seat, but he was re-elected with an increased margin of victory. The seat was again vacated by a House resolution, though Mr. Berger was eventually allowed to take his seat.
Representative Bill Pascrell Jr., Democrat of New Jersey, had first proposed invoking the clause in December as nearly two-thirds of House Republicans — including their leader, Representative Kevin McCarthy of California — signed on to Texas’ lawsuit seeking to overturn the election at the Supreme Court.
“The actions of any of our colleagues to demolish democracy, regardless of party affiliation, must be repudiated in the strongest possible terms,” Mr. Pascrell said in his letter at the time. “The fate of our democracy depends on us.”
Representative Cori Bush, Democrat of Missouri, mentioned the 14th Amendment in a resolution that was drafted as she and other House lawmakers sheltered in place during the attack on Wednesday. The resolution names Representative Mo Brooks of Alabama and Senators Ted Cruz of Texas and Josh Hawley of Missouri as leaders of the effort to subvert the election, according to The Intercept, which uploaded a copy of the text on Friday.
“I believe the Republican members of Congress who have incited this domestic terror attack through their attempts to overturn the election must face consequences,” Ms. Bush wrote on Twitter as the police struggled to expel the violent mob from the Capitol. “They have broken their sacred Oath of Office.”