the moral purity brigade

America has been unalterably morally stained by the war in Iraq, says Andrew Sullivan:

to my mind, by far the deepest damage has been to the idea of America, to the decency of America, and its reputation for responsibility in world affairs. From authorizing torture to the acquiescence in mass murder, this president has stained the honor of this country and the West.

I have a question for the insufferable moralist Andrew Sullivan:

What arrows will be left in your quiver when the United States really goes to war?