Reuters: Republicans in the new Congress will pose a greater threat to the Obama administration’s strategy to regulate greenhouse gas polluters than a plethora of industry lawsuits. The Environmental Protection Agency, or EPA, is marching ahead with rules requiring big polluters like coal-fired power plants, oil refiners and cement manufacturers to get permits starting Jan. 2 to emit gases blamed for warming the planet. President Barack Obama has always said the EPA would regulate carbon emitters if…