 I don't walk as easy as I used to. I don't speak as smoothly as I used to. I don't debate as well as I used to. But I know what I do know. I know how to tell the truth. During a campaign rally in Raleigh, North Carolina, Biden acknowledged his age and that he doesn't speak and debate as well as he used to. The president warned that his political rival, Trump, is a liar and a threat to the nation and democracy.