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The South Carolina senator called Biden the best person to unify the country
· 'I mean, how mad can you get at Joe Biden?' Graham asked rhetorically
· The audio was released by two New York Times reporters promoting a book about the 2020 election
· It was recorded as the Republican sought refuge from rioters on January 6, 2021
· Graham sharply criticized Trump supporters after the riot
· Since then, he has been spotted golfing with the former president in Florida