Why Turkey Can"t Stop ISIS

The killing by an Islamic State (Isis) gunman of 39 civilians in a nightclub in Istanbul is the latest massacre in Turkey, where such slaughter is now happening every few weeks. The perpetrators may differ but the cumulative effect of these atrocities is to persuade Turks that they live in an increasingly frightening and unstable country. It is also clear that the Turkish government does not know what to do to stop the attacks...