 We have to replace him Pennsylvania senator. And now with Biden having both a cold and a stutter combined, it's a bad debate performance. And people say he should step down. I'm not comfortable canceling 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.