Details, such as whether Assad should be deposed or left in power or the extent to which Turkey should be punished, can be worked out.
The Free Syrian Army is a John MeCain fantasy, they give up and join ISIS at the first hint of trouble. ..hundreds of thousands spent training only a relative few.
Iran is playing both sides, partnering with Obama to 'fight' ISIS and Putin when supporting its ally Syria.
Barack couldn't work his way out of a wet paper bad, on the other hand, Putin can and will work things out!