Washington Post: Something very important has been happening this week — more important, if you can believe it, than what Nancy Pelosi knew about waterboarding or why Kris Allen scored his upset victory on “American Idol.” I refer to the marathon committee markup on Capitol Hill of a monster piece of legislation that promises to reduce by 83 percent over the next 40 years the amount of carbon emitted into the atmosphere from American cars, power plants and factories. There remains a robust …