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.