Nation: When Gogebic Taconite LLC began moving in November 2010--the same month Scott Walker was elected governor of Wisconsin--to develop an open-pit iron mine in one of the most environmentally sensitive regions of northern Wisconsin, the Florida-based mining firm got a lot of pushback. Residents of the region objected, along with Native American tribes. So, too, did citizens from across Wisconsin, a state that has long treasured the wild beauty of the Penokee Range. Environmental and conservation groups...