Grist: On any given day, the U.S. Court of Appeals for the D.C. Circuit has the power to throw the environmental movement into complete disarray. Tucked into a nondescript neighborhood in Washington, D.C., the court isnt well known to the public, but its often called the second most important court in the United States. It has particular significance to the environmental movement because of its exclusive jurisdiction over regulations involving vital environmental laws like the Clean Air Act, the Clean...