The state is sure good at killing innocent people in other countries.

I'm going to have to vote for the death penalty, of course with high standards of proof. If anything, the whole idea of bolting people into a small box for 50-60 years is a much more perverse idea. Only the US could invent something like a Supermax prison (although the Black Dolphin looks like no picnic, the Russian answer to abolishing the death penalty).

edit: I'll add that the US justice system (and probably any other) appears quite arbitrary in it's punishment. The sentences people receive and actually serve can be all over the map.