http://www.debatepolitics.com/polls/...post1060035789 (Was the War in Iraq worth it?).
Still, not 100% sure we did anything more than delay the next attempt.
By the way, though I'm saddened by the deaths of our soldiers in any number, we might have gotten away comparatively cheaply: United States military casualties of war - Wikipedia, the free encyclopedia.
As the chart indicates, the Civil War was particularly pricey.