Former Special Counsel Robert Mueller (C) walks with security as he leaves after testifying during a House Select Committee on Intelligence hearing on Capitol Hill.

Democratic Presidential hopeful Massachusetts Senator Elizabeth Warren (L) gestures as she speaks, with the US Capitol building seen in the background, at a fundraiser at the "Women's Leadership Forum"

US Ambassador to the European Union Gordon Sondland testifies during the House Intelligence Committee hearing as part of the impeachment inquiry into US President Donald Trump.

A stiarcase is seen in front of Air Force One.

US Senator Kamala Harris (D-CA) speaks to reporters during a recess in the Senate impeachment trial of US President Donald Trump.

US Senator Josh Hawley (R-MO) speaks to the press during a break in the Senate impeachment trial of Trump at the US Capitol.

US Representative Jim Jordan (C) holds up a magazine showing House impeachment manager Adam Schiff as other Republican house members look on during a recess in the Senate impeachment trial of Trump.

US Senator John Thune (R-SD) (C) speaks to the press at the end of the day during the Senate impeachment trial of US President Donald Trump at the US Capitol .

US Senator and Minority Leader Chuck Schumer, Democrat of New York, speaks to the press at the US Capitol on January 24, 2020 in Washington, DC. With Schumer are Senators Kirsten Gillibrand (L), Democrat of New York, and Ed Markey, Democrat of Massachusetts.

US Senator Lindsey Graham, Republican of South Carolina, walks to a press conference at the US Capitol.

US Senator Mitt Romney speaks to reporters before the start of the impeachment trial against US President Donald Trump.

Chairman of the Joint Chiefs of Staff Gen. Mark Milley (L) speaks with White house Chief of Staff Mark Meadows after the Medal of Honor ceremony for US Army Sergeant Major Thomas Payne for conspicuous gallantry while serving in Iraq, in the East Room of the White House.

Members of the public view the late Supreme Court Justice Ruth Bader Ginsburg lying in repose at the Supreme Court.

Supreme Court nominee Judge Amy Coney Barrett testifies on the third day of her confirmation hearing before the Senate Judiciary Committee.

Members of the US National Guard deploy around the US Capitol on January 12, 2021 in Washington, DC.

Pentagon Spokesman John Kirby speaks during a press briefing on the situation in Afghanistan at the Pentagon.

People walk to work early past the Capitol building in Washington, DC.