President Donald Trump drives a golf cart as he golfs at Trump National Golf Club in Sterling, Va., Sunday, Nov. 22, 2020. (AP Photo/Manuel Balce Ceneta)

FILE - In this Nov. 17, 2020, file photo President-elect Joe Biden arrives with Avril Haines, former Deputy Director of the Central Intelligence Agency, left, at The Queen theater in Wilmington, Del. (AP Photo/Andrew Harnik, File)

FILE - In this July 25, 2013, file photo Alejandro Mayorkas, President Obama's nominee to become deputy secretary of the Homeland Security Department, testifies on Capitol Hill in Washington before the Senate Homeland Security and Governmental Affairs Committee hearing on his nomination. President-elect Joe Biden is filling out his administration with key picks for his national security and foreign policy teams. Mayorkas will be nominated as the secretary for the department of homeland security. (AP Photo/J. Scott Applewhite)

A view of the White House in Washington, Monday, Nov. 23, 2020. (AP Photo/Susan Walsh)

President-elect Joe Biden and Vice President-elect Kamala Harris attend a meeting at The Queen theater Monday, Nov. 23, 2020, in Wilmington, Del. (AP Photo/Carolyn Kaster)

FILE - In this Jan. 9, 2020, file photo former Secretary of State John Kerry smiles while speaking at a campaign stop to support Democratic presidential candidate former Vice President Joe Biden at the Biden for President Fort Dodge Office in Fort Dodge, Iowa. (AP Photo/Andrew Harnik, File)

FILE - In this Nov. 10, 2020, file photo President-elect Joe Biden smiles as he speaks at The Queen theater in Wilmington, Del. President-elect Biden turns 78 on Friday, Nov. 20. (AP Photo/Carolyn Kaster, File)

President-elect Joe Biden, accompanied by Vice President-elect Kamala Harris, speaks at The Queen theater, Thursday, Nov. 19, 2020, in Wilmington, Del. (AP Photo/Andrew Harnik)

FILE - In this Friday, Nov. 20, 2020 file photo, President Donald Trump listens during an event in the briefing room of the White House in Washington. A federal judge in Pennsylvania says he won’t stop officials from certifying election results that show Democrat Joe Biden winning the state by more than 80,000 votes. U.S. District Judge Matthew Brann on Saturday, Nov. 21, 2020 turned down the request by President Donald Trump’s campaign as it sought the state’s 20 electoral votes. Those votes still would not have been enough on their own to hand Trump a second term. (AP Photo/Susan Walsh, File)

FILE - In this Thursday, Sept. 29, 2016, file photo, Deputy Secretary of State Antony Blinken testifies on Capitol Hill in Washington, before the Senate Foreign Relations Committee hearing on Syria. Blinken is the leading contender to become President-elect Joe Biden's nominee for secretary of state, according to multiple people familiar with the Biden team's planning. (AP Photo/Jose Luis Magana, File)