A New York Times bestseller, A Globe and Mail bestseller -- Thomas L. Friedman is a #1 New York Times bestselling author. He has won two the Pulitzer Prizes and the National Book Award once. He is a New York Times columnist. Michael Mandelbaum is the Christian A. Herter Professor of American Foreign Policy at the Paul H. Nitze School of Advanced International Studies at Johns Hopkins University and director of the Project on East- West Relations for the Council on Foreign Relations. Mandelbaum has taught at Harvard University, Columbia University, and the U.S. Naval Academy. America faces four major challenges, on which its future depends, and it is failing to meet them. In That Used to Be Us, Pulitzer Prize-winning columnist Thomas Friedman and leading foreign policy analyst Michael Mandelbaum look at those challenges -- globalization, the revolution in information technology? the nation?s chronic deficits? and its pattern of energy consumption -- and spell out what we need to do now to rediscover America.