The U.S. and its allies have "no smoking gun" proving Syrian forces uses chemical weapons.
No stores of Sarin at Shayrat found by experts.
How is it not? The whole world heard Putin talked about "little Green men" who have bought their weapons and uniforms in gun shops and came to seize the Crimea. Maybe in the same stores and bought Assad Zaman and Sarin? Everyone knows that Putin supports this dictator.