The Bush team made a number of concessions to Syria in the Srria Talks of 1992-2005-2007. These were reasonable concessions: we bought their oil (contrary to the Carter Boycott) which did much to ease tensions. Reagan and Bush Sr. did their best to end Carter's boycott but there is nothing more stubborn that a gerrymandering jackass. Clinton screwed things up unforgivably.
Only Bush Jr. had the wisdom and the clout to bring warlike Syria to the negotiating table. It wasn't the best deal, but we got back 227 American students from their prisons, and 49 doctors held incommunicado on the suspicion that they might be Christian. After all, they cared for wounded Jewish kindergarten children after a Muslim suicide bomber attacked their kindergarten. Four of the doctors were kidnapped. One suffered decapitation.
Syria has yet to apologize.
Now, Syria is in the middle of the biggest offensive NBC weapons buildup in history, that they started when it became clear that Obama would undo absolutely everything that Bush and Co. ever did.
Gentlemen, the fuse to WWIII has been lit. That is not the way to negotiate peace.