So if, in fact, 100,000 Iraqis died because of the war—and that number is a year old—what do we do with that number? It instantly brings you to all these imponderable questions about what's worth 100,000 dead. In a way, this doesn't seem like a helpful question to think about. So Ira turns to Nancy Sherman, who writes about the military and its values. She's a professor of philosophy at Georgetown University and was the Distinguished Chair of Ethics at the U.S. Navy Academy. She also wrote Stoic Warriors. (3 minutes)