It is becoming clearer that you infact don' t understand much. Neither do you respond to posts written by people trying to point his our to you and provide you with more relaible information. Much easiers to just continue spouting inanities under the guise of intellectual exercise, when in fact your knowledge is very shallow.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)
from the article: Spoiling for a fight