...the fact is that Erdogan's regime has on many occasions turned a blind eye to ISIS activity in Turkey, as well as to Turkish businessmen and smugglers doing trade deals with the jihadist butchers. To be fair, on the surface, Turkey's president is fully involved in the fight against ISIS. In October he allowed U.S. jets to use Turkey's Incirlik air base for operations against ISIS, pledging that his forces, too, would join the fight. But the truth is that Turkey's planes have aimed their missiles almost exclusively at the one army which poses a real threat to ISIS, and...