Morning Joe 04/22/13

How long can feds use 'public safety exception' with Tsarnaev?

Boston Marathon bombing suspect Dzhokhar Tsarnaev, 19, is still in intensive care in a Boston hospital, but a debate over his Miranda rights and if he should be considered an enemy combatant is heating up. NBC News' Pete Williams has more information. ... more Duration: {{video.duration.momentjs}}