After the Crusade: American Foreign Policy for the Post-Superpower Age. By Jonathan Clarke and James Clad. (Lanham, Md.: Madison Books, 1995. 229 pp. $24.95.)

The Reluctant Sheriff: The United States after the Cold War. By Richard N. Haass. (New York: Council on Foreign Relations Press, 1997. 148 pp. $24.95.)

Promised Land, Crusader State: The American Encounter with the World Since 1776. By Walter A. McDougall. (Boston, Mass.: Houghton Mifflin, 1997. 286 pp. $26.00.)

Isolationism Reconfigured: American Foreign Policy for a New Century. By Eric A. Nordlinger. (Princeton, N.J.: Princeton University Press, 1995. 352 pp. $45.00, cloth; $17.95, paper.)

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