Syria's Bashar al-Assad, the latest on Yemen, Bill Nighy and more

On the program: CSIS Analyst Anthony Cordesman on the latest in Yemen; an early look at Charlie's exclusive interview with Syrian President Bashar al-Assad; and Mike Allen on Hillary Clinton, Ted Cruz and Harry Reid. Plus: author Michael Lewis talks about Wall Street's reaction to his bestselling book "Flash Boys," and Bill Nighy returns to India in "The Second Best Exotic Marigold Hotel."