before it was politically popular. clinton said you need someone that can do more than fire up liberals and win. that is her. >> let's break it down with jackie and cnn political commentator of new york one, erol lewis. let me ask you a question let's start with joe biden. right quick. do you have what it takes to run wh when he said he couldn't win, a marathon? how about running five in five it's not about him being the days? cnn's tom foreman says he's up best, it's the practicality. for the challenge. he's done two, has three to go. it's good that the truth about tom is also the author of the book "my gear of running bo biden. he always thought his father dangerously, a dad, daughter and should run for president and a ridiculous plan." always thought it was worth the he joins us now via skype from struggle. how do we close the book on joe baltimore. tom, i have all sorts of questions about how many pairs biden? >> it was good of him, a service of shoes you've gone through, to the nation to dispel a notion what on earth are you thinking and how is the body feeling? but let's find out what there was a hollywood moment. motivated you to do this. if he had run, who knows what we we should point out that all of the running started in 2011. would have heard. to say this is not how it you're now going to do five in happened, we were father and