Robert Kagan is author, most recently, of Dangerous Nation: America’s Place in the World from Its Earliest Days to the Dawn of the Twentieth Century (Knopf, 2006). He is senior associate at the Carnegie Endowment for International Peace and senior transatlantic fellow at the German Marshall Fund. A version of this essay will appear in Melvyn P. Leffler and Jeffrey W. Legro, eds., To Lead the World: American Strategy After the Bush Doctrine (Oxford University Press, 2008).

Articles By Robert Kagan