 Donald Trump pumped his fist at the waiting crowds as he arrived in Atlanta, emerging from his own plane. Joe Biden is sending text messages to supporters, saying he can take care of Trump on the debate stage. I've done it before, he says, but there will not be a studio audience for the debate itself. The president has spent the last few days preparing, with a member of his campaign team standing in for Donald Trump in rehearsals. While Mr Trump's made it known, he doesn't feel the need to practice.