Sep 11, 2013 — Libyan dictator Moammar Gadhafi renounced his country's chemical weapons program in 2003, but it has yet to be fully dismantled. That episode offers a number of lessons as the fate of the Syrian program is under debate.
Aug 22, 2013 — The doctors say they don't know exactly what caused the casualties, but they describe hundreds of patients descending on their hospitals, all suffering from similar symptoms.
Apr 26, 2013 — The White House now believes Syria has used chemical weapons. But President Obama has shown no inclination toward military involvement in another Middle Eastern war.
Apr 25, 2013 — The administration has warned Syria against using chemical weapons but does not say how this might change U.S. policy toward the Syrian regime.
Apr 23, 2013 — An Israeli military official says Syria employed the weapons in a series of recent incidents. The U.S., meanwhile, has said little on the subject and has not made similar accusations against Syria.
Dec 14, 2012 — American officials tell NPR that Syria's preparations are more extensive than previously reported. The U.S. and NATO are preparing for ways to address the chemical weapons threat.