Joe Biden with Jill Biden is sworn in by Chief Justice John Roberts as the 46th President of the United States on Jan. 20 in Washington. MUST CREDIT: Washington Post photo by Jonathan Newton

Vice President-elect Kamala Harris and her husband, Doug Emhoff; President-elect Joe Biden and his wife, Jill Biden; Sen. Roy Blunt, R-Mo., and Sen. Amy Klobuchar, D-Minn., arrive for the inauguration. MUST CREDIT: Washington Post photo by Ricky Carioti

President Joe Biden takes the oath of office from Supreme Court Chief Justice John Roberts on the West Front of the U.S. Capitol on Jan. 20 in Washington. MUST CREDIT: Washington Post photo by Toni L. Sandys

President-elect Joe Biden and Jill Biden arrive for the inauguration at the U.S. Capitol on Jan. 20. MUST CREDIT: Washington Post photo by Jonathan Newton

The West Front of the U.S. Capitol is decorated for the inauguration. MUST CREDIT: Washington Post photo by Toni L. Sandys

Fomer president George Bush and Laura Bush arrive before Joe Biden Is sworn In as 46th President of the United States on Janu. 20. MUST CREDIT: Washington Post photo by Jonathan Newton

Vice President-elect Kamala D. Harris, with Doug Emhoff, takes the oath of office by Justice Sonia Sotomayor. MUST CREDIT: Washington Post photo by Jonathan Newton

Inaugural poet Amanda Gorman, 22, recited her poem "The Hill We Climb" at President Biden's inauguration. MUST CREDIT: Washington Post photo by Jonathan Newton

Former presidents George Bush and Barack Obama, along with former first lady Michelle Obama gather before Joe Biden was sworn in on Jan. 20 in Washington. MUST CREDIT: Washington Post photo by Jonathan Newton

Lady Gaga sings the national anthem on Jan. 20.. MUST CREDIT: Washington Post photo by Jonathan Newton