The Rachel Maddow Show 08/14/15

Donald Trump wouldn't be the first to switch to a third party run

Katy Tur, NBC News Correspondent, reports on Donald Trump's first campaign event since the Republican debate, and Richard Winger, publisher and editor of Ballot Access News talks with Ari Melber about whether a third party run is a real option for Trump. ... more Duration: {{video.duration.momentjs}}