00408nas a2200145   4500000000100000000000100001008004100002260009200043100001700135700001300152700001300165700001300178700001400191245005700205       2011                            d  cWinter 2011bUniversity of Washington, Henry M. Jackson School of International Studies1 aL. Bergstrom1 aK. Bourn1 aR. Braun1 aA. Duffy1 aG. Gurian00aRedefining Security: NATO's Role in the 21st Century