The Last Word with Lawrence O'Donnell 04/11/16

RNC Chairman to Trump: Rules haven’t changed

RNC Chairman Reince Priebus hit back at Donald Trump's allegation that the GOP delegate system is rigged, saying the rules were set last year and nothing has changed since. Lawrence discusses the fallout with Tim Miller, Hallie Jackson, and Kurt Andersen. ... more Duration: {{video.duration.momentjs}}