How NATO Adapts:: Strategy and Organization in the Atlantic Alliance since 1950Today's North Atlantic Treaty Organization, with nearly thirty members and a global reach, differs strikingly from the alliance of twelve created in 1949 to "keep the Americans in, the Russians out, and the Germans down." These differences are not simply the result of the Cold War's end, 9 11, or recent twenty first century developments but represent a more general pattern of adaptability first seen in the incorporation of Germany as a full member of