Golda Meir or Moshe Dayan would be bombing Damascus as we speak. What the Hell is wrong with Bibi?!
You have to gather your forces,find the targets and develop a plan of attack.
These missiles can either be underneath camoflage tarps or in some underground bunker. The area will certainly defended by anti-aircraft weapons.
Given the story link below, I would say WTH is wrong with Obama, but that would just be a stupid question... ; )
Report: Obama administration helping Syria bypass U.S. sanctions