Mike Barnicle talks with Dr. Ben Carson about his thoughts on Donald Trump

On Morning Joe, veteran columnist and contributor Mike Barnicle talks with former Republican presidential candidate Dr. Ben Carson about his thoughts on Republican presidential nominee Donald Trump. Asks Barnicle: “Why do you think Donald Trump finds it so difficult, seeming, to speak to loss? ... Why hasn’t he done it yet?” Hear Carson’s surprising answer here, on MSNBC.