unpopular and struggle estruggd coalesce around the parties. we have seeing people come around the donald trump cana candida candidacy. i spoke with the republican source who has access to internal polling out there. he said that has been the entire shift in the polling up there. republicans coming back to donald trump. still, we have the question of are they going to coalesce around him or vote for another party? >> you are right. it is one thing to say when you are caught at home or on the cell phone, i'll go for him. it is another one to get your butt out of the chair and change your day and go to the poll and vote. it is a bigger commitment than people realize. >> panel, thank you. stay with cnn for all day coverage on tuesday. up next, a milestone in the battle for mosul. coalition forces crossing into the city for the first time in