CASPER, Wyo. -- In the summer of 2008, Wyoming's governor, Dave Freudenthal, went to California for meetings with state officials and utility executives. What he brought was, quite literally, a burning question. California was in the throes of putting together the nation's first cap on greenhouse gases, and it appeared that if a Democrat were elected president, there might soon be a federal law, as well. At stake was Wyoming's biggest industry -- coal production. Wyoming lawmakers worried that California would lead the nation to impose a ban on imports of out-of-state electricity if it were produced by coal-fired power plants. Go to story #1