Washington Independent: Less than two hours after President Obama suggested in a post-midterm press conference that Republicans and Democrats could find common ground on proposals to develop the country’s natural gas resources, Sierra Club Executive Director Michael Brune underscored environmentalists’ love-hate relationship with the fossil fuel. “To be clear, natural gas is not clean, but it’s cleaner than some dirty energy,” he told reporters at a separate Nov. 3 press conference on the prospects for energy and climate…