Donald Trump gave himself a nickname that’s reminiscent of a used car salesman to challenge president Joe Biden to a debate. The former president refused to debate any of his Republican opponents, but he repeated his challenge to debate Biden “anytime, anywhere, anyplace” in an overnight Truth Social post that took glancing shots at vanquished presidential primary rivals. “Dean Phillips, who just ‘quit’ in his hapless campaign against Crooked Joe Biden, was not very good at his craft, politics,” Trump began. “In fact, I would say that he was far worse than the Republican challengers to me, wit…