Drones are a terrifying instrument of war. They sometimes cause the deaths of innocents. There is something that feels not quite right about a weapon whose use entails no direct physical risk to the user. And although most Americans approve of the use of drones in counterterrorism operations, if drones were to someday target U.S. government officials or American citizens themselves, such opinions would quickly shift. But for now, drones are the least bad of a number of bad options for targeting high-level terrorists.