New York Times: Last year, Gov. Scott Walker of Wisconsin and the Republican-controlled State Legislature approved the worlds largest open-pit iron ore mine, a gash in the northern part of the state that could be as long as 21 miles, a half-mile wide and 1,000 feet deep. The mine legislation was bad enough from an environmental point of view: It allows the operator to fill streams with mine waste, eliminates public hearings and reduces the taxes the operator would have to pay. It turns out to be even more shocking...