The Hill: Eleventh-hour talks between big utilities and environmentalists on Senate legislation that curbs carbon emissions from power plants are showing hints of progress, but time is running out to achieve breakthroughs that would keep the struggling plans alive. Senate debate on wider energy legislation is slated to begin as soon as the week of July 26. “The schedule is not our friend,” acknowledged Sen. John Kerry (D-Mass.), who is fighting to include climate provisions in a broader energy …