The chemical attack in Syria are not a false flag to get the United States to go to war. Those chemical attack did happen, there are pictures to prove it, and anyone saying they are false are being disrespectful to the victims of those attacks. The United States still should not get involved, even though they are not fake.
Anytime chemical weapons are used it is a violation of humanity. The Assaad regime used chemical weapons against it's own citizens to try to break the spirits of the rebellion and possibly to test the international community. If the regime did use the attacks as a way to get US intervention in the country, they did not get their wish.