that he needs to be talking about hillary clinton's e-mail problems or the clinton foundation challenges and where the world stands from a foreign policy perspective and her role in this. we are talking about something that is not befitting of a presidential campaign. or of anything. >> he has to change minds. he can't become president if he doesn't change minds. it is impossible that this will push him in the direction of winning more votes and not less. >> that's exactly right. his challenge may not move supporters off of him. i'm sure it won't, but he doesn't have enough supporters to win the presidency. he needs to do everything he can to move independents and people who are not decided to him. these comments are not going to help and i'm very curious to see how this will come into play