Last week, around 30 Kurdish fighters gathered alongside Iraqi and Turkish officials at a cave complex in the rugged mountains outside Sulaymaniyah, a city in the Kurdish autonomous region in northern Iraq. Dressed in olive green fatigues, they belonged to the Kurdistan Workers Party (PKK), which has been locked in a four decade long conflict with the Turkish state. But they weren’t there to fight. Their faces grave, they unclasped their war belts, unburdened their shoulders of AK-47 rifles,