MSNBC Live with Tamron Hall 03/02/16

Pres. Historian explains brokered convention

While Donald Trump is projected to win the number of delegates up for grabs this summer, there is still a growing consensus that his momentum could be slow or stopped altogether. If that effort succeeds, it could set off a “brokered convention” in July. Presidential Historian, Larry Sabato, explains the history behind “brokered conventions.” ... more Duration: {{video.duration.momentjs}}