FILE - In this Dec. 12, 2020, file photo, President Donald Trump walks on the South Lawn of the White House in Washington before boarding Marine One. As he prepares to exit the White House, President Donald Trump is rewarding some supporters and like-minded allies with the perks and prestige that come with serving on federal advisory boards and commissions. (AP Photo/Patrick Semansky, File)

FILE - In this Dec. 19, 2016, file photo members of the Mississippi Electoral College sign certificates of vote in the process of formally casting their electoral votes in the 2016 General Election for President and Vice President of the United States at the Capitol in Jackson, Miss. Presidential electors are meeting across the United States Monday, Dec. 14, 2020, to formally choose Joe Biden as the nation's next president. (AP Photo/Rogelio V. Solis, File)

FILE - In this Dec. 11, 2020, file photo President-elect Joe Biden listens during an event to announce his choice for several positions in his administration at The Queen theater in Wilmington, Del. President-elect Joe Biden has a lot to accomplish in building out his administration. He is aiming for a historically diverse Cabinet without overlooking long-time allies in his party’s establishment. (AP Photo/Susan Walsh, File)

President-elect Joe Biden leaves a doctor's appointment at Pennsylvania Hospital in Philadelphia, Saturday, Dec. 12, 2020. Biden was in for a routine two-week post-injury follow up on his fractured foot. (AP Photo/Susan Walsh)

Surrounded by Army cadets, President Donald Trump watches the first half of the 121st Army-Navy Football Game in Michie Stadium at the United States Military Academy, Saturday, Dec. 12, 2020, in West Point, N.Y. (AP Photo/Andrew Harnik)

Democrat Stacey Abrams, walks on Senate floor before of members of Georgia's Electoral College cast their votes at the state Capitol, Monday, Dec. 14, 2020, in Atlanta. (AP Photo/John Bazemore, Pool)

In this photo provided by the Michigan Office of the Governor, Gov. Gretchen Whitmer speaks during a news conference in Lansing, Mich., Thursday, Dec. 10, 2020. Whitmer, whose health department has prohibited indoor restaurant dining and closed various entertainment venues to limit the spread of the virus, announced that those businesses can postpone by a month their monthly sales, use and tax withholding payments that are due Dec. 20. (Michigan Office of the Governor via AP)