The Popular Mobilization Units fighting the Islamic State (IS) have a real-life hero:Abu Azrael, an IraqiRambo. He is fighting among their volunteer ranks, supporting the Iraqi army in the battle to retake Tikrit from IS. Days after IS moved against Mosul, June 9, 2014, Iraqi news outlets and otherArab mediaorganizationshoned in onAbu Azrael, depicting ...