Thomas L. Friedman: Can I Clean Your Clock? Over the past decade, whenever I went to China and engaged Chinese on their pollution and energy problems, inevitably some young Chinese would say: “Hey, you Americans got to grow dirty for 150 years, using cheap coal and oil. Now it is our turn.” It’s a hard argument to refute. Eventually, I decided that the only way to respond was with some variation of the following: “You’re right. It’s your turn. Grow as dirty as you want. Take your time. Beca