Two years have elapsed in the Syrian conflict, and no apparent end to the bloodshed is in sight, as the warring sides are locked in what looks increasingly like a war of attrition. Ankara's calculations concerning Syria seem to have amounted to nothing over the past few years.
But even more than that, Syria has turned out to be the crisis on which Turkey’s ambitious Middle East policies foundered in ways expected by neither Prime Minister Recep Tayyip Erdogan or Foreign Minister Ahmet Davutoglu — the architect of the now-defunct “zero problems with neighbors” policy.