US President Joe Biden has admitted that he performed poorly in today’s election debate with Donald Trump. At the same time, the American leader noted that, despite his age, he knows how to “do this job”, according to The Guardian. “I know I’m not a young man, to the state the obvious. Well, I know 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,” Biden said. He added that despite his age, he knows how to do the job of the American President. “I know, like millions of America…