Republican U.S. Sen. Lindsey Graham reacts after marking his ballot electronically while voting in the general election, Tuesday, Nov. 3, 2020, at the Corinth-Shiloh Fire Dept. in Seneca, S.C. (AP Photo/Richard Shiro)

U.S. Sen. Lindsey Graham of South Carolina makes his victory speech after winning another term in office on Tuesday, Nov. 3, 2020, in Columbia, S.C. (AP Photo/Meg Kinnard)

South Carolina Lt. Gov. Pam Evette, left, Rep. Joe Wilson, R-S.C., and South Carolina Gov. Henry McMaster, right, smile as Sen. Lindsey Graham, R-S.C., speaks after winning re-election, Tuesday, Nov. 3, 2020, in Columbia, S.C. (AP Photo/Meg Kinnard)

Sen. Lindsey Graham, R-S.C., smiles after his re-election, Tuesday, Nov. 3, 2020, in Columbia, S.C. (Tracy Glantz/The State via AP)

U.S. Senate candidate Jaime Harrison waits to take the stage at an election watch party Hunter-Gatherer at Curtiss Wright Hangar in Columbia, S.C., Tuesday, Nov. 3, 2020, after conceding the election to incumbent Lindsey Graham. (Jeff Blake/The State via AP)

Democratic U.S. Senate candidate Jaime Harrison, left, stands with his son William, right, at a campaign rally Monday, Nov. 2, 2020, in Orangeburg, S.C. (AP Photo/Meg Kinnard)

Republican U.S. Sen. Lindsey Graham, center, checks in to vote at the Corinth-Shiloh Fire Dept. in Seneca, S.C. Tuesday, Nov. 3, 2020. (AP Photo/Richard Shiro)

Republican U.S. Sen. Lindsey Graham, center, delivers his ballot while voting in the general election, Tuesday, Nov. 3, 2020, at the Corinth-Shiloh Fire Dept. in Seneca, S.C. (AP Photo/Richard Shiro)

Democratic U.S. Senate candidate Jaime Harrison, left, dances onto the stage with his son William, right, at a campaign rally on Monday, Nov. 2, 2020, in Orangeburg, S.C. (AP Photo/Meg Kinnard)