 combined, it's a bad debate performance and people say he should step down. I'm not comfortable cancelling the votes of millions of Americans across the country for one bad performance. Well, at a rally in North Carolina, Mr Biden acknowledged that he was not a young man and didn't debate as well as he used to, but he rejected calls to step down. Donald Trump is a genuine threat to this nation. He's a threat to our freedom. He's a threat to our democracy.