Is an upcoming US attack on Syria a 'done deal'?
13:59Top Talkers: The Morning Joe panel -- including the Washington Post's Eugene Robinson, Mike Barnicle and former Gov. Howard Dean, D-Vt., -- discusses if the U.S. is moving closer to military intervention in Syria after Secretary of State John Kerry calls the country's use of chemical weapons 'undeniable.' NBC News' Jim Miklaszewski also reports.