The Rachel Maddow Show 09/03/15

Maddow on Donald Trump's Republican Party pledge: 'Yoooge screw up'

Rachel Maddow tries to understand why Republican frontrunner Donald Trump, with so much of his identity based on his outsiderness, and so much support independent of the Republican Party, and so much leverage over the party given that support and his money, would see any advantage in signing the party allegiance pledge that was plainly designed with him in mind. ... more Duration: {{video.duration.momentjs}}