ATLANTA — Georgia Secretary of State Brad Raffensperger said U.S. Sen. Lindsey Graham asked him if he had the power to reject more absentee ballots as election officials are conducting a recount and audit of the presidential race.Raffensperger, in an interview with The Washington Post on Monday, said the South Carolina senator was the latest Republican to question whether he could disqualify more absentee ballots based on mismatched signatures.Raffensperger, who is also a Republican, said Graham appeared to be suggesting that he find a way to reject legally cast ballots to help President Donal…