Peeks of various candidates popping up on stage. we can t see hip, but i can assure you that the mayor of south bend indiana is just off stage about to get his walk-through there so as we ve been watching the various candidates, mayor pete is there, and ready to role in front of his performance this evening which all begins at 8:00 eastern. he wants to broaden his support after a strong spring showing. he s not the only one hoping for a breakout moment on stage tonight. what do these candidates need to do? former clinton white house secretary and cnn political commentator joe lockhart is with me to talk me through all of this. let me run through a bunch of your notes. what s your advice, what are your thoughts on elizabeth warren. there s going to be