At this point in my life, I've been consistently opposed to war for about twice as long as I spent as a Marine infantryman (with precisely the attitude toward war you would expect). The change was incremental and took a few years, but I consider my decision to march in the streets against the 2003 US invasion of Iraq to have been moral, and my decision to march in formation toward participation in the 1991 Gulf War to have been immoral.

Every international conflict tests that conviction: Will THIS be the one war that makes me reconsider and conclude "hey, THIS war, unlike any other I've wit...