Sen. David Perdue, R-Ga., speaks during a campaign rally, Monday, Dec. 21, 2020, in Milton, Ga. (AP Photo/John Bazemore)

Sen. David Perdue, R-Ga., and Sen. Kelly Loeffler, R-Ga., clasp hands during a campaign rally, Monday Dec. 21, 2020, in Milton, Ga. (AP Photo/John Bazemore)

Democratic U.S. Senate challenger the Rev. Raphael Warnock during a rally, Monday, Dec. 21, 2020 in Columbus, Ga. with Vice President-Elect Kamala Harris and fellow Democratic U.S. Senate challenger Jon Ossoff. (AP Photo/Ben Gray)

FILE-In this Wednesday, Nov. 18, 2020 file photo, Georgia Democratic candidate for U.S. Senate Jon Ossoff grabs signs to give out during a drive-thru yard sign pick-up event on, in Marietta, Ga. For the second time in three years, Jon Ossoff is campaigning in overtime. The question is whether the 33-year-old Democrat can deliver a win in a crucial Jan. 5 runoff with Republican Sen. David Perdue. (AP Photo/Brynn Anderson, File)

U.S. Sen. Kelly Loeffler, R-Ga., talks to supporters during a campaign event Friday, Dec. 31, 2020 at McCray's Tavern in Marietta, Ga. (AP Photo/Ben Gray)