Challenger demands Graham get COVID-19 test before debate

COLUMBIA, S.C. (AP) — U.S. Sen. Lindsey Graham and Democratic challenger Jaime Harrison are set to meet for their second debate Friday, although campaign clashes over COVID-19 are stirring doubts of whether the matchup will go on at all. Harrison threatened to tank the debate, scheduled for 7 p.m. in Spartanburg, over concerns related to Graham’s exposure to other GOP senators who have recently tested positive for COVID-19, demanding that Graham get tested again. Graham campaign offi