Democratic presidential candidate Joe Biden said on Tuesday that it is important for him to choose a vice president that could be president because he is "an old guy."

Biden said:

"I can think of at least eight women, at least four or five people of color, that I think are totally qualified to be vice president of the United States. But for me, it has to be demonstrated that whomever I pick is two things. One, is capable of being president, because I'm an old guy. No, I'm serious. Look, thank God I'm in great health, I work out — no, I'm serious — you know I work out every morning. I'm in good shape."