Philadelphia Inquirer: Why We Need a Green Revolution and How It Can Renew America By Thomas L. Friedman Farrar, Straus and Giroux 438 pp. $27.95 Much is at stake when a new Thomas Friedman book comes out. He is one of our most influential writers; people read his books to feel for the pulse of the moment. In 1999, The Lexus and the Olive Tree introduced thousands to the notion of globalization; it was like the gun that went off to signal that word and idea had arrived. When The World Is Flat …