Remotely piloted aircraft, or drones, have been the centerpiece of America’s counterterrorism toolkit since the start of the Obama presidency, and the benefits have been clear. Their use has significantly weakened al Qaeda and the Taliban while keeping American troops out of harm’s way. But critics of drone strikes argue that the short-term gains do not outweigh the long-term consequences—among them, radicalization of a public outraged over civilian deaths. Is our drone program hurting, or helping, in the fight against terrorism?