Syrian Chemical Weapons Attack: A False Flag Operation?

For more information:

Syria Rebels testing Tekkim chemicals to use as chem weapons
Report: Syrian officials claim chlorine, saline mix used in Aleppo attack
Syria: Jihadist Al-Nusra Front Siezes Chemical Factory Near Allepo
Syria chemical weapons: finger pointed at jihadists
UN accuses Syrian rebels of chemical weapons use
U.N. Chemical-Weapons Experts Arrive in Syria
U.K., France Call for UN Probe of Alleged Syrian Gas Attacks