As the Syrian crisis rolls on with no apparent end in sight, Turkish Prime Minister Recep Tayyip Erdogan and Foreign Minister Ahmet Davutoglu have little left in their diplomatic pouch to put Ankara at the forefront of efforts to solve this seemingly intractable problem.
Their frustration is showing, too, as both continue to rail against the inactivity of the international community, and are unable to suggest anything new to end the deadlock.