Feeling always unites them. >> joe biden calls the president the divider in chief. let's listen to what he had to say. >> the most challenging thing we have to do is defeat donald trump. as long as donald trump is in the white house, none of these critical things are going to get done. so if you want to know what the first and most important plant in my climate proposal is, beat trump. beat trump. beat trump. >> certainly there are those who believe that, but i have to say that just prior to him taking the podium yesterday, i was talking with some democratic strategists, both of whom said we w...