MSNBC Live 05/05/16

Republicans divided over endorsing Trump

Former Bush White House Chief of Staff Andy Card says Donald Trump needs to recognize that he needs to become the leader of the GOP, show that he's committed to success and demonstrate that he has the maturity to be the president of the United States. Card also says he needs to make amends with former GOP leaders and seek their counsel. ... more Duration: {{video.duration.momentjs}}