Arent Unifying News Today

>> reporter: talking about two friends now rivals, joe biden and elizabeth warren. >> is joe bidens nostalgic campaign not, working in your view? >> look, im a big, big fan of joe biden but i think that the instinct that his campaign seems to have to say, you know, to project in effect if we just, if we just get rid, if you will, of the incumbent we can go back to doing what we used to do and tis is the moment. >> reporter: he praised warren, too, but said he plans arent unifying. >> i think i...