A former Republican congressman who is an advocate for action to address climate change plans to launch a new conservative coalition this fall made up of Republicans who, like him, believe that human emissions are triggering global warming and that steps should be taken to stop it.Former six-term Rep. Bob Inglis (R-S.C.) said he hopes his coalition will become a factor in the 2012 presidential and congressional elections -- and beyond. He said the view embraced by many Republicans that human emissions are not a major contributor to global warming is out of step with what it means to be...