LLOYD E. AMBROSIUS is professor of history at the University of Ne- braska—Lincoln. He is the author of Woodrow Wilson and the American Diplo- matic Tradition: The Treaty Fight in Perspective (Cambridge University Press, 1987), Wilsonian Statecraft: Theory and Practice of Liberal Internationalism during World War I (Scholarly Resources, 1991), and Wilsonianism: Woodrow Wilson and His Legacy in American Foreign Relations (Palgrave Macmillan, 2002). He is editor of The Crisis of Republicanism: American Politics in the Civil War Era (University of Nebraska Press, 1990). He was the Mary Ball Washington Professor of American History at University College, Dublin, Ireland, and twice a Fulbright Professor at the Universities of Cologne and Heidelberg, Germany.
JOHN MILTON COOPER JR. is the E. Gorton Fox Professor of Amer- ican Institutions at the University of Wisconsin—Madison. A native of Washington DC, and a graduate of Princeton and Columbia Universities, he previously taught at Wellesley College. He is the author of The Vanity of Power: American Isolationism and the First World War (Greenwood Press, 1969), Walter Hines Page: The Southerner as American, 1855—1918 (University of North Carolina Press, 1977), The Warrior and the Priest: Woodrow Wilson and Theodore Roosevelt (Harvard University Press, 1983), Pivotal Decades: The United States, 1900—1920 (W. W. Norton, 1990), and Breaking the Heart of the World: Woodrow Wilson and the Fight for the League of Nations (Cambridge University Press, 2001).