Associated Press: At a critical time, the uproar over stolen e-mails suggesting scientists suppressed contrary views about climate change has emboldened skeptics — including congressional Republicans looking to scuttle President Barack Obama’s push for mandatory reductions in greenhouse gases. The e-mail brouhaha dubbed “Climategate” by doubters comes as U.S. delegates to the international climate conference in Copenhagen are trying to convince the world the United States is determined to move …