So we just finished market failiure in my AS (highschool) economics class, now we are doing government failiure. But skipping ahead in my textbook I noticed that, shockingly, we weren't applying the same logic to the state as we do to the market! I have rectified this mistake.
Talk about negative externalities! Of course, the problem can be solved with property rights. Or we could tax drone strikes.
http://www.youtube.com/watch?v=J5maguX5x8c
you may find it of some interest