“Startling in scope and bravado.” —Janet Maslin, The New York Times“Artfully envisions a breathtakingly better world.” —Los Angeles Times“Elaborate, smart and persuasive.” —The Boston Globe“A pleasure to read.” —The Wall Street JournalOne of CBS News’s Best Fall Books of 2005 • Among St Louis Post-Dispatch’s Best Nonfiction Books of 2005 • One of Amazon.com’s Best Science Books of 2005A radical and optimistic view of the future course of human development from the bestselling