Via both Joel and Deuce, I was turned on to this Vanity Fair article where Christopher Hitchens allows himself to undergo the procedure King George found to be a necessary-and-not-even-vaguely-immoral "tool" in fighting The Endless War. The title: "Believe Me, It's Torture." The sound bite: I apply the Abraham Lincoln test for moral casuistry: “If slavery is not wrong, nothing is wrong.” Well, then, if waterboarding does not constitute torture, then there is no such thing as torture. (Yes, that's one of the only times you'll see me even sub-reference a Lincoln quote without pouring derision on it.)
Read the whole thing, especially the second page, where Hitch describes his conversation with Malcolm Nance about what embracing torture does to nations who succumb to its temptations.