George Buss, a President Abe Lincoln re-enactor, holds an elevator door inside the Hart Senate Office Building as he visits Capitol Hill on the day of the Senate's impeachment vote in Washington, U.S., February 5, 2020.

U.S. Senator Lindsey Graham (R-SC) arrives at the U.S. Capitol ahead of an expected vote in the impeachment trial of U.S. President Donald Trump in Washington, U.S., February 5, 2020.

U.S. President Donald Trump's personal attorney Jay Sekulow arrives at the U.S. Capitol ahead of an expected vote in the Senate impeachment trial of President Trump in Washington, U.S., February 5, 2020.

U.S. senators cast their votes on the second article of impeachment obstruction of Congress during the final votes in the Senate impeachment trial of U.S. President Donald Trump in this frame grab from video shot in the Senate Chamber at the U.S. Capitol in Washington, U.S., February 5, 2020. U.S. Senate TV/Handout via Reuters. Image for illustrative purposes.

Demonstrators lock arms in a rally calling for the removal of U.S. President Donald Trump on Capitol Hill in Washington, U.S., February 5, 2020.

Paper cutouts of Rep. Dean Phillips (D-MN) are seen above an open window of the Longworth House Office Building ahead of an Impeachment vote involving U.S. President Donald Trump in the U.S. Senate, on Capitol Hill in Washington, U.S., February 5, 2020.

A woman signs the visitors logbook amid hundreds of post-notes left outside of the office of Rep. Alexandria Ocasio-Cortez (D-NY) ahead of votes in the U.S. Senate impeachment trial of President Donald Trump on Capitol Hill in Washington, U.S., February 5, 2020.

U.S. Senate Minority Leader Chuck Schumer (D-NY) departs after speaking to reporters following the Senate vote to acquit U.S. President Donald Trump of both charges in his Senate impeachment trial on Capitol Hill in Washington, U.S., February 5, 2020.

U.S. Supreme Court Chief Justice John Roberts shakes hands with U.S. Senator Lindsey Graham (R-SC) as he departs Senate Chamber at the conclusion of the impeachment trial of President Donald Trump with Senators Dianne Feinstein (D-CA), Patrick Leahy (D-VT) and Senator Roy Blunt (R-MO) following the Senate acquittal of U.S. President Donald Trump on both charges on Capitol Hill in Washington, U.S., February 5, 2020.

Senate Majority Leader Mitch McConnell (R-KY) enters the Senate Chamber ahead of expected final votes in the Senate impeachment trial of U.S. President Donald Trump on Capitol Hill in Washington, U.S., February 5, 2020. Image for illustrative purposes.

White House senior adviser Kellyanne Conway points to her notes that say "acquitted forever" as she speaks to the news media after giving an interview to Fox News at the White House in Washington, U.S., February 5, 2020.

House Speaker Nancy Pelosi (D-CA) attends a news conference on "Protecting the Right to Organize (PRO) Act," regarding strengthening federal laws that protect workers' right to join a union," on Capitol Hill in Washington, U.S., February 5, 2020. Image for illustrative purposes.

U.S. Senate Minority Leader Chuck Schumer (D-NY) speaks ahead of the resumption and final votes in the Senate impeachment trial of U.S. President Donald Trump in this frame grab from video shot in the Senate Chamber at the U.S. Capitol in Washington, U.S., February 5, 2020. U.S. Senate TV/Handout via Reuters.

Protesters gather on Capitol Hill following the acquittal of U.S. President Donald Trump in his Senate impeachment trial in Washington, U.S., February 5, 2020.

U.S. Senator Mitt Romney announces his intention to vote to convict U.S. president Donald Trump for abuse of power during Senate debate ahead of the resumption and final vote in the Trump impeachment trial in this frame grab from video shot in the Senate Chamber at the U.S. Capitol in Washington, U.S., February 5, 2020. U.S. Senate TV/Handout via Reuters.

A man dressed as Abraham Lincoln walks into the U.S. Capitol Rotunda during a rally calling for the removal of U.S. President Donald Trump on Capitol Hill in Washington, U.S., February 5, 2020.

Police detain protesters during a demonstration calling for the removal of U.S. President Donald Trump inside of the U.S. Capitol Rotunda, on Capitol Hill in Washington, U.S., February 5, 2020.

A demonstrator with a sign on her hand that reads "Trump is Garbage" is seen during a rally calling for the removal of U.S. President Donald Trump on Capitol Hill in Washington, U.S., February 5, 2020.

U.S. Senate Majority Leader Mitch McConnell (R-KY) talks to reporters after the Senate voted to acquit U.S. President Trump of both charges in his Senate impeachment trial in Washington, U.S., February 5, 2020.

Protesters gather outside the U.S. Capitol following the acquittal of U.S. President Donald Trump in his Senate impeachment trial in Washington, U.S., February 5, 2020.

U.S. President Donald Trump gestures to gathered news media as he welcomes Venezuela's opposition leader Juan Guaido at the White House in Washington, U.S., February 5, 2020.

House Speaker Nancy Pelosi (D-CA) arrives for a news conference on "Protecting the Right to Organize (PRO) Act," regarding strengthening federal laws that protect workers' right to join a union," on Capitol Hill in Washington, U.S., February 5, 2020.

Senate Minority Leader Chuck Schumer (D-NY) arrives at the U.S. Capitol ahead of an expected vote in the impeachment trial of U.S. President Donald Trump in Washington, U.S., February 5, 2020.

U.S. senators cast their votes on the first article of impeachment abuse of power during the final votes in the Senate impeachment trial of U.S. President Donald Trump in this frame grab from video shot in the Senate Chamber at the U.S. Capitol in Washington, U.S., February 5, 2020. U.S. Senate TV/Handout via Reuters.

U.S. Senator Sen. Joe Manchin (D-WV) talks to reporters about voting guilty in the Senate impeachment trial of U.S. President Donald Trump as Trump was acquitted by the Senate on Capitol Hill in Washington, U.S., February 5, 2020.

A small group of protesters gather at the U.S. Capitol following the Senate’s votes to acquit U.S. President Donald Trump at the conclusion of his impeachment trial in Washington, U.S. February 5, 2020.