president obama and joe biden, how that will play out in the months leading up to the election, gloria borgia axelrod, van jones. >> obviously he's an organizing tool among some republicans who don't like him, but remember he is the most popular politician in america, another poll today affirmed that, universally liked by democrats, loved by democrats. so he will be very useful. but anderson, i think the greatest role he can play here, you'll see it on wednesday night, is as a testifier for joe biden. nobody knows biden other than his family better than obama who worked closely with him for eight years. i was there first two years when biden was very active running recovery act, running to iraq to put a government together there, negotiating with congress, doing a series of things that were really consequential. and of course their personal friendship grew over eight years. weren't that close when he began the vice presidency, like every vice presidency, a shotgun wedding that did grow into a bromance. he has for his personal qualities. to explain and share joe biden with the country is impor