Sixty years ago in Washington, the North Atlantic Treaty Organization was born. After World War II, fears of Soviet attack in Europe convinced Western leaders of the pressing need for a defensive military alliance. The world has changed dramatically since 1949, and NATO had to adapt constantly to deal with new and unanticipated global threats. RFE/RL looks at the dramatic and difficult moments in NATO history with rarely seen NATO archive films and exclusive interviews with former U.S. Secretary of State Madeleine Albright and U.S. Ambassador to NATO Kurt Volker.