"Born to an American mother and a late Afghan war hero-turned-magnate, Daniel Sajadi has spent his life navigating a complex identity. After years in Los Angeles, he is returning home to Kabul for the first time as the head of a US foreign aid agency dedicated to staunching the growth of the poppy fields in Fever Valley that feed the world's opiate epidemic. But on the drive back to Kabul from an anniversary trip with his wife, Rebecca, Daniel hits...