chemical stockpile under international control. whether four should remain an option whether syria should not live up to the deal and the mechanics of securing and destroying tons of mustard gas, sarin and nerve gas and nobody knows how much chemical weapons, what tonnage there really is. back home. doubts about russia's president, vladimir putin, but also about president obama after his speech last night. >> he cannot speak to the nation as a commander in chief. he cannot speak to the world as a commander in chief. he just cannot do it. i don't know what it is. >> republican senator corker there questioning the president's ability as president, basically, complaining that he's not making the case that america's credibility is on the line. we'll hear from john mccain coming up shortly. but first, jim acosta at the