Jessica Taylor, NPR

Is Joe Biden plotting a 2020 bid for president? Don't entirely rule it out.

The former vice president launched a political action committee this week — the surest sign yet he intends to keep his toe dipped in the White House waters over the next few years.

On the new American Possibilities PAC website, Biden writes that "the negativity, the pettiness, the small-mindedness of our politics drives me crazy. We're better than this."

Updated at 8:19 p.m. ET

Former FBI Director James Comey has agreed to testify before the Senate Intelligence Committee in an open session.

"The Committee looks forward to receiving testimony from the former Director on his role in the development of the Intelligence Community Assessment on Russian interference in the 2016 US elections, and I am hopeful that he will clarify for the American people recent events that have been broadly reported in the media," Intelligence Committee Chairman Richard Burr, R-N.C., said in a statement released Friday evening.

President Trump told Russian officials last week that he had fired the "nut job" FBI Director James Comey to ease the pressure of the mounting investigation into his campaign's ties to Russia, according to a report from The New York Times.

Updated at 9:15 p.m. ET

The Justice Department is appointing former FBI Director Robert Mueller as a special counsel to oversee the growing probe into Russian meddling in the 2016 election and possible ties to associates of President Trump.

"In my capacity as acting Attorney General, I determined that it is in the public interest for me to exercise my authority and appoint a Special Counsel to assume responsibility for this matter," Deputy Attorney General Rod Rosenstein said in a statement.

Updated at 9:10 p.m. ET

President Trump asked then-FBI Director James Comey to close down the agency's investigation into his former national security adviser Michael Flynn just one day after Flynn was let go, according to two sources close to Comey.

Updated at 9:45 p.m. ET

President Trump revealed "highly classified information" to two top Russian officials during a controversial Oval Office meeting last week, according to a report from The Washington Post.

Before President Trump fired James Comey on Tuesday, the Senate Intelligence Committee already had planned one of its regular oversight hearings where the leaders of the U.S. intelligence community check in with the panel.

Updated at 9 p.m. ET

Questions about the abrupt dismissal of FBI Director James Comey swirled on Wednesday, but Comey himself reportedly told staff he would not "spend time on the decision or the way it was executed. I hope you won't either."

In a farewell letter, Comey said, according to CNN, "It is done, and I will be fine, although I will miss you and the mission deeply." He added:

Updated at 9:22 p.m. ET

The president has fired FBI Director James Comey, who was overseeing an investigation into Russian meddling in the 2016 elections and possible ties to the Trump campaign and top aides.

Updated at 11:20 p.m. ET

In her most frank remarks to date after her loss to President Trump, Democratic nominee Hillary Clinton said that if not for a controversial letter from FBI Director James Comey and Russian meddling in the election, she would be sitting in the Oval Office right now.

Former President Barack Obama on Monday gave his first public address since leaving office, moderating a panel with young people on community engagement while dancing around the turmoil surrounding his White House successor.

"So, uh, what's been going on while I've been gone?" Obama deadpanned at the beginning of his opening remarks at the University of Chicago.

Updated at 12:59 p.m. ET

Steve Bannon has been removed from his controversial role on the National Security Council just months after he was elevated to the position.

President Trump's chief strategist will no longer be a regular attendee of the principals committee of the NSC, but he will retain his role as senior adviser for domestic affairs.

Updated at 5 p.m. ET

House Republicans scrapped a vote on their health care replacement plan on Friday after defections from both the right and center that made it clear the bill would not pass.

"Obamacare is the law of the land. It is going to remain the law of the land," House Speaker Paul Ryan admitted shortly after he pulled the bill. "We're going to be living with Obamacare for the foreseeable future. I don't know how long it's going to take us to replace this law."

Throughout the campaign, President Trump billed himself as a master negotiator who would make the "best deals" for the American people.

Updated at 4:56 p.m. ET

Attorney General Jeff Sessions says he will recuse himself from any investigations into possible Russian involvement in the 2016 elections.

"Let me be clear: I never had meetings with Russian operatives or Russian intermediaries about the Trump campaign," Sessions reiterated during an afternoon news conference in response to reports that he had met twice with the Russian ambassador to the U.S. last year.

"I should not be involved in investigating a campaign I had a role in," Sessions said.

President Trump skipped the annual Conservative Political Action Conference last year, but this year he was the annual gathering's hero who had finally returned the White House to Republicans.

Updated at 2:45 p.m. ET

White House press secretary Sean Spicer said Tuesday that President Trump asked for Michael Flynn's resignation on Monday night, citing an "evolving and eroding level of trust" with his national security adviser.

The account differs from the impression the White House gave initially, framing it as Flynn's decision to step down amid questions about whether he inappropriately talked about U.S. sanctions with a Russian official and then subsequently misled then-Vice President-elect Pence about those conversations.

The Senate has confirmed President Trump's nominee Jeff Sessions to be the next attorney general, bringing an end to a bitter confirmation fight that has dredged up past accusations of racism against the Alabama senator.

The vote was largely along party lines, 52-47, with only centrist Democratic Sen. Joe Manchin of West Virginia voting yes. Sessions himself voted "present" on his own nomination.

Senate Democrats held an all-night session Monday night into Tuesday morning in a last-ditch effort to try to stop President Trump's nominee for secretary of education, Betsy DeVos, from being confirmed.

Among those who took to the floor was Sen. Elizabeth Warren of Massachusetts, who said it was "difficult to imagine a worse choice to head the Department of Education."

Updated Feb. 3 at 4:45 p.m. ET

On Thursday the GOP-controlled House voted to overturn an Obama administration rule designed to keep firearms out of the hands of some people deemed mentally ill.

The action was the latest move by congressional Republicans to undo several of President Obama's regulations on issues such as gun control and the environment through an arcane law called the Congressional Review Act.

Updated at 10:15 p.m. ET

President Trump has nominated conservative favorite Judge Neil Gorsuch to succeed the late Justice Antonin Scalia on the Supreme Court.

"Judge Gorsuch has a superb intellect, an unparalleled legal education, and a commitment to interpreting the Constitution according to its text. He will make an incredible justice as soon as the Senate confirms him," Trump said in announcing his pick.

Former President Barack Obama has criticized President Trump's immigration and travel ban issued on Friday, saying through a spokesman that he is "heartened by the level of engagement" over the weekend in opposition to the action.

President Obama's final press conference was one of both reflection and subtle rebuke toward incoming President-elect Donald Trump, defending voting rights and a free press, all while reassuring the American people that "at my core, I think we're going to be OK."

The final few days before President-elect Donald Trump takes the oath of office will be filled with a flurry of congressional activity, as the Senate holds confirmation hearings for eight more of his Cabinet nominees.

Most are expected to be fairly routine, but a few could be hot-button affairs, including hearings for Education Secretary-designate Betsy DeVos and Scott Pruitt, Trump's nominee to lead the Environmental Protection Agency.

President Obama awarded outgoing Vice President Biden the Presidential Medal of Freedom on Thursday afternoon.

Calling the former longtime Delaware senator "the best vice president America's ever had" and a "lion of American history," Obama gave his White House partner the surprise award in an emotional ceremony, initially billed as a farewell.

President-elect Donald Trump has chosen Dr. Ben Carson to lead the Department of Housing and Urban Development in his incoming administration.

"Ben Carson has a brilliant mind and is passionate about strengthening communities and families within those communities," Trump said in a statement released Monday. "We have talked at length about my urban renewal agenda and our message of economic revival, very much including our inner cities."

President-elect Donald Trump issued a Thanksgiving address on Wednesday evening, calling for the nation to come together after a bruising, bitter campaign.

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