Longlisted for the FT/Goldman Sachs Business Book of the Year Award 2011America has a huge problem. It faces four major challenges on which its future depends, and it is failing to meet them. In That Used to Be Us, Thomas L. Friedman, one of the world's most influential columnists, and Michael Mandelbaum, one of America's leading foreign policy thinkers, analyze those challenges - globalization, the revolution information technology, the nation's chronic deficits and its pattern of energy consumption - and spell out what needs to be done now to rediscover America's power and prowess.Praise for The World is Flat'Thomas Friedman is a one-man think tank' The Times'Friedman has unequalled access to the people and situations that currently drive history . Truly amazing . An essential read' A C Grayling, Independent on Sunday'It will make hundreds of thousands of readers understand a little better at least some of the forces in our world' Martin Wolf, Financial Times.