Dr. Anthony Fauci, director of the National Institute of Allergy and Infectious Diseases and chief medical adviser to the president, speaks earlier this week during a White House briefing on the COVID-19 pandemic. White House via AP hide caption

Brian Naylor
Some advocates want President Biden to appoint new members to the Postal Service's board of governors, who could then replace Postmaster General Louis DeJoy. Tom Williams/Pool/AFP via Getty Images hide caption
Trump Appointees Oversee The U.S. Postal Service. Will Biden Change That?
Susan Rice, President Biden's domestic policy adviser, discusses his racial equity agenda Tuesday at the White House. Drew Angerer/Getty Images hide caption
President Biden and Vice President Harris participate Wednesday in a wreath-laying ceremony at the Tomb of the Unknown Soldier at Arlington National Cemetery in Arlington, Va. Evan Vucci/AP hide caption
U.S. Capitol Police Officer Eugene Goodman attends a dress rehearsal for the 59th inaugural ceremony for President-elect Joe Biden and Vice President-elect Kamala Harris at the Capitol on Monday. Jonathan Ernst/AP hide caption
President-elect Joe Biden and his wife, Jill Biden, attend Mass at the Cathedral of St. Matthew the Apostle ahead of his inauguration as the nation's 46th president on Wednesday. Evan Vucci/AP hide caption
Alejandro Mayorkas, nominee to be secretary of homeland security, is sworn in to testify during his confirmation hearing in the Senate Homeland Security and Governmental Affairs Committee on Tuesday. Erin Scott/Pool/AFP via Getty Images hide caption
From Border Wall To Capitol Riot, Homeland Security Nominee Takes Senate Questions
Security Leadership: Behind-The-Scenes Planning Will Limit Inauguration Day Risks
Jennifer Lopez, as well as Lady Gaga, will perform at the inauguration of President-elect Joe Biden next week. David J. Phillip/AP hide caption
Speaker of the House Nancy Pelosi wears a protective mask while walking to her office from the House Floor on Wednesday. Stefani Reynolds/Getty Images hide caption
Acting U.S. Attorney Michael Sherwin said Tuesday federal prosecutors may bring "significant" charges, including sedition and conspiracy, as a result of last week's riot at the U.S. Capitol. Sarah Silbiger/Pool/AP hide caption
First lady Melania Trump says she condemns the violence at the Capitol last week and personal attacks on her. Evan Vucci/AP hide caption
President Trump, pictured Wednesday, said Friday he will not be attending President-elect Joe Biden's inauguration. Brendan Smialowski/AFP via Getty Images hide caption
"Yesterday, in my view, was one of the darkest days in the history of our nation," President-elect Joe Biden said Thursday. Jim Watson/AFP via Getty Images hide caption