A war waged by remote control with military drones from thousands of miles away may sound like one of the most impersonal conflicts imaginable. But the film “Eye in the Sky” shows how modern drone warfare can also be intensely personal with the surveillance capability to watch a potential human target for hours on end. The timely thriller also does not shy away from the thorny issue of how military commanders and political leaders weigh the value of human life in a world transformed into a g