One day in 1992, Thomas Friedman toured a Lexus factory in Japan and marveled at the robots that put the luxury cars together. That evening, as he ate sushi on a Japanese bullet train, he read a story about yet another Middle East squabble between Palestinians and Israelis. And it hit him: Half the world was lusting after those Lexuses, or at least the brilliant technology that made them possible, and the other half was fighting over who owned which olive tree..