Grist: Billionaire oil moguls Charles and David Koch have had a pernicious effect on climate and energy policy, a host of other progressive issues, and American democracy itself, as we`ve reported many times before. But a new report by the Investigative Reporting Workshop at American University reveals even more about how the Koch brothers have undermined climate action.
Since 2008, the Koch-backed group Americans for Prosperity has been urging candidates and politicians to sign its No Climate Tax Pledge."...