It does allow Barry out of the box he put himself in...
His adoring fans in the media will claim his strategy worked and he can retain his Nobel Peaces Prize after all. O Happy Day.
Somehow I reckon some of those chem weapons have since scattered across the ME and into the clutches of various jihadi terror groups to be revealed later.
Only for a while, since Assad will still manage to repel the rebels and Obama will again have to come up with a reason to offer more support to his terrorist friends.