Why Do We Care About The Nobel Peace Prize?

This year's Nobel Peace Prize winner is a Japanese organization working toward global nuclear disarmament. On Today's Show: On the day the Nobel Committee awards the Peace Prize, Gideon Rose , adjunct senior fellow at the Council on Foreign Relations (CFR), the former editor of Foreign Affairs and author of How Wars End (Simon & Schuster, 2010), looks at this year's recipient and back through its impact over the last century, as part of our ongoing centennial series.