Reuters: The Bush administration is easing the way for coal companies to dump debris from mountaintop mining into nearby valleys and streams in a move deplored by environmental and Appalachian citizens’ groups. The U.S. Environmental Protection Agency on Tuesday approved the repeal of a 1983 law that prohibited surface coal mining within 100 feet of flowing streams. Most U.S. surface coal mining is done in the steep mountains of Appalachia, across Virginia, West Virginia, Tennessee and …