Bashar Ja'afari, Syria's U.N. ambassador, gestures as he speaks during a news conference, Tuesday, April 30, 2013 at United Nations headquarters. Bashar Ja'afari says the use of chemical weapons is ... more 
Bashar Ja'afari, Syria's U.N. ambassador, gestures as he speaks during a news conference, Tuesday, April 30, 2013 at United Nations headquarters. Bashar Ja'afari says the use of chemical weapons is not only "a red line" but "a blood line" that cannot be tolerated and is again demanding a U.N. investigation of an alleged chemical weapons attack in Aleppo that it blames on rebels. (AP Photo/Mary Altaffer) less 
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Associated Press | Photo By Mary Altaffer
Tue, Apr 30, 2013 2:00 PM EDT