I take this as a fairly unbiasd and fair presentation of the facts
Multinational Deal May Allow Assad to Stay
Flurry of New Reports Hint at Changing Western Views
17 September, 2015
The “official” positions of myriad Western nations on the Syrian Civil War have been demands for the unconditional surrender of the Assad government. This has been the US position as recently as a few days ago, when the State Department reported US and British officials met and agreed Assad has to go.