Importantly, both Awlaki and his teenage son who was later targeted in another drone strike, were both American citizens. You can argue as much as you like in

Importantly, both Awlaki and his teenage son who was later targeted in another drone strike, were both American citizens. You can argue as much as you like in favor of the joys of murder and assassination as a way of organizing the world, but there is no conceivable argument that this is constitutional.