The Obama administration’s proposal to cut carbon dioxide emissions from existing power plants prompted an immediate backlash from Democrats in conservative-leaning states Monday, underscoring the extent to which the president’s energy policy will become a major front in the battle for control over Congress this fall. The Environmental Protection Agency’s proposed rule, which is now subject to public comment and will be finalized a year from now, would cut carbon dioxide emissions from existing coal plants by up to 30 percent by 2030 compared with 2005 levels. It tackles the largest source of the nation’s carbon dioxide emissions, the electricity sector, which is helping drive climate change. While environmentalists and liberal supporters of President Obama hailed the move as a long-overdue effort to tackle one of the biggest threats facing the planet, it added new complications for a party already facing a difficult midterm election landscape. Nineteen states get […]