InsideClimate: Two days before Gina McCarthy [3], the administrator of the Environmental Protection Agency, presented her landmark proposal to regulate carbon emissions from future electric plants, one of her main allies in Congress walked her down memory lane. Rep. Henry Waxman [4] reminded her that he once tried to help the coal industry pay for costly technology to capture carbon dioxide from power plants and pump it deep underground. "In 2009, the president supported market-based legislation to make major...