Will Cain's recent stumbles knock him out of the race?19:20
GOP presidential candidate Herman Cain stumbles when asked during an interview about Libya and the president's actions in the country. Cain also fumbles on the issue of collective bargaining. But is it a big deal? Will his answer -- or lack thereof -- knock him out of the running? Fmr. Gov. Howard Dean, D-Vt., and the Washington Post's Eugene Robinson join the conversation.