CNN Anderson Cooper 360 September 3, 2013 00:11:00
Have had chemical weapons used before, during this war. >> multiple times. >> yes. and so senator mccain and senator graham have been absolutely correct, that there has been no strategy, no confrontation. total impunity as the assad regime has ratcheted up every step of its offensive since it started two and a half years ago. you know, from on the ground to then from the air, and rockets, and then weapons of mass destruction. i mean, weapons of mass destruction. that is something that is prohibited under international law. iraq didn't have them, syria does. >> we're going to talk more about th...