CHALMERS JOHNSON is president of the Japan Policy Research Institute, a non-profit research and public affairs organization devoted to public education concerning Japan and international relations in the Pacific. He was chairman of the academic advisory committee for the PBS television series "The Pacific Century," and he played a prominent role in the PBS "Frontline" documentary "Losing the War with Japan." Both won Emmy awards. His most recent books are Blowback: The Costs and Consequences of American Empire (New York: Metropolitan Books, 2000); The Sorrows of Empire: Militarism, Secrecy, and the End of the Republic (New York: Metropolitan Books, 2004); and Nemesis: The Last Days of the American Republic (New York: Metropolitan Books, 2007). Join the conversation.