Associated Press: In the battle over global warming, front lines are forming in places like Bay City and Midland — proposed sites for Michigan’s first large coal-fired power plants since 1984. If given the go-ahead, the plants could operate for 50 years. That’s an eternity to environmental groups upset that existing coal plants pollute the air and emit greenhouse gases linked to climate change. "Why would we make a 50-year commitment to such very old technology?" asked Suzette Zelenak …