staunchest supporters -- that would be labor unions -- are lashing back to kate rogers on the fallout. >> it's not just the u.s. chamber of commerce. speaking out against the epa's sweeping new regular layings on carbon emission. union leaders are not pleased with president obama either. some say this shows tensions are high between environmentalists and working class members of the democratic party. so, for example, cecil-s, president of the united mine workers of america international issued a statement against the rule, saiding they will, quote, lead to long-term and irreversible job lawses for thousands of coalminers, electrical workers can utility workers, boilermakers, railroad workers and others without achieving any significant reduction of global greenhouse gas emissions, end quote. according to union's analysis says the rule will cost 75,000 job losses in the coal sector by