During an interview on the third episode of “The Late Show with Stephen Colbert,” Host Stephen Colbert asked Joe Biden if he was emotionally prepared to run for President. Biden responded:

I don’t think any man or woman should run for president unless, number one, they know exactly why they would want to be president and two, they can look at folks out there and say I promise you have my whole heart, my whole soul, my energy, and my passion.

And, and, I’d be lying if I said that I knew I was there. I’m being completely honest. Nobody has a right in my view to seek that office unless they are willing to give it 110 percent of who they are.

I’m optimistic. I’m positive about where we’re going. But I find myself…you understand, sometimes it just sort of overwhelms you. I can’t…”

For more on this story, click CBSNews Vice President Biden talks about presidential bid on Late Show.

Watch the interview: