The French sociologist Emmanuel Todd was one of the few experts to predict the fall of the Soviet Union. Now he is predicting the fall of the United States of America. His book After the Empire: The Breakdown of the American Order (Columbia University Press, 2003) has been a bestseller in Europe. It plays into many Europeans' sentiments against the Iraq war and their belief that America has become an Evil Empire. (See "The Darth Vader fallacy," June 11.) But his book offers encouragement to America-phobes: Far from being an invincible hyperpower, according to Mr. Todd, the United States is...