Drones are changing the conduct of war. Advocates say that drones are more precise than conventional bombers, allowing warfare with minimal civilian deaths while keeping American pilots out of harm’s way. Critics say that drones are cowardly and that they often kill innocent civilians while terrorizing entire villages on the ground. In Drone: Remote Control Warfare, Hugh Gusterson looks at the paradoxical mix of closeness and distance involved in remote killing: is it easier than killing someone on the physical battlefield if you have to watch onscreen? Hugh Gusterson discusses his new book.