Being here, im in for carol costello. Donald trump, master showman, ratchets up his political intrigue, of what may be the most single important decision of his campaign. Who will be his running mate. Were keeping a close eye on the apprentice type moment. Will it be indiana governor mike pence, former House Speaker Newt Gingrich or Chris Christie, or trump being trump, could there be a shocker. His advisors are torn, but promising the big reveal in an announcement tomorrow morning. This as the Republican Convention looms just a few days away. We are covering all of the angles as this drama intensifies. Lets begin with cnn sunlin. Reporter we are here in this big empty room right now, right outside indianapolis, because governor mike pence will be here later this morning, a tenlding to actually some governmental duties an economic meeting. Potentially feeling the weight of this moment as his future potentially as Donald Trumps vicepresident ial running mate hangs in the balance, it see