i want to bring in our political commentators paul begala and paul hye. i want to go back to the joe biden interview with stephen colbert. it's absolutely riveting. listen again to one part that is very telling. he talks about how if you're going to run for president you need to have 110% of all your heart and soul in it, and this is what he said. listen. >> i'd be lying if i said that i knew i was there. >> every time i watch that, paul, i just keep asking myself, did joe biden just tell us that he's not running for president? >> i wouldn't overinterpret it though, john. i watched the tape of the vice president in pittsburgh at the labor day rally in front of steel workers, they're cheering and chanting, run, joe, run. i know joe biden for 29 years. this is a very authentic guy going through a really