When Barack Obama succeeded George W. Bush in January 2009, backed by solid majorities in both the House and the Senate, the country seemed poised for the first major environmental legislation since 1990, the year of the Oil Pollution Act and the 1990 Clean Air Act amendments. Under the leadership of Rep. Henry A. Waxman (D-CA) and Rep. Edward Markey (D-MA), the House passed a comprehensive climate change bill based on an economywide cap-and-trade system. The House also passed a bill to lift oil spill liability caps and adopt additional reforms in the wake of the Gulf of Mexico spill. But both bills languished in the Senate
