 I may not be as smart as I used to be, I may not be as fast as I used to be, but by golly, when you get knocked down, you get back up. That is what Joe Biden said, jumping back onto the campaign trail with a, quote, renewed energy. Apparently the lie that he had a cold at the debate disappeared within 12 hours after that disastrous debate. And so Joe Biden went out there and he's fired up.