The Last Word with Lawrence O'Donnell 12/16/15

Would a Trump nomination destroy the GOP?

Glenn Beck says Donald Trump as the GOP nominee would end the party. New reports say if Trump's the GOP nominee, Jeb Bush might not support him. MSNBC’s Lawrence O’Donnell speaks with fmr. RNC boss Michael Steele and political reporters Sam Stein & Jonathan Allen. ... more Duration: {{video.duration.momentjs}}