Journal Sentinel: The U.S. Environmental Protection Agency will unveil a proposal Monday to cut emissions at coal-fired power plants -- the biggest step yet by the Obama administration to combat global warming, and a move with major implications for Wisconsin, because coal generates more than half the state's electricity. EPA Administrator Gina McCarthy has said the agency will give broad latitude to states to meet targets for carbon emissions. While those targets are not yet known, a mandate to cut emissions by...