Warren I. Cohen is Professor of History and formerly Director of the Asian Studies Center at Michigan State University. He is the author of America's Response to China, The Chinese Connection,and New Frontiers in American-East Asian Relations,all published by Columbia University Press.Akire Iriye is Professor of History, Harvard University. His books include After Imperialism: The Search for a New Order in the Far East, 1921-1931; Pacific Estrangement: Japanese and American Expansion, 1897-1911;and Power and Culture: The Japanese-American War, 1941-1945.