Assad’s been given his walking papers is the way a number of pundits see this, at least France was attacking ISIS in this.
http://www.politico.com/story/2015/12/kerry-assad-syria-peace-talks-216911
At least it’s better than getting dragged through the streets by a mob. Assad will leave if the deal is right but the Iranians will continue to import their influence. We may see a worsening situation after he leaves.