The Last Word with Lawrence O'Donnell 04/12/16

Rubio prefers Cruz as GOP nominee

Marco Rubio came short of endorsing Ted Cruz, saying he wants the GOP nominee to be a conservative and Cruz fits the bill. How will this affect the GOP race going forward? MSNBC's Lawrence O'Donnell discusses with Rory Cooper, Ken Vogel, and David Corn. ... more Duration: {{video.duration.momentjs}}