The Last Word with Lawrence O'Donnell 03/25/15

'Nightmare unfolding': Saudis strike Yemen

U.S. officials are supporting Saudi Arabia's decision to launch military operations, including airstrikes, in Yemen pitting the Saudis against Iran. Ayman Mohyeldin, Michael Kay, & Steve Clemons discuss the conflict's origins with msnbc's Lawrence O'Donne ... more Duration: {{video.duration.momentjs}}