American credibility is 'wafer-thin': Expert

11:07 AM ET Tue, 10 Sept 2013

President Obama has agreed to UN talks on Russia's proposal for Syria's chemical weapons, reports CNBC's John Harwood. And Col. Jack Jacobs, MSNBC military analyst, and Richard Murphy, Middle East Institute scholar, present insight on the crisis in Middle East ahead of tonight's big speech by the President.