From Jeff Goodell in Rolling Stone: …Although no final decision has been made, two high-level sources in the Obama administration told me recently that the president has all but decided to deny the permit for the [Keystone] pipeline – a dramatic move that would light up Democratic voters and donors while further provoking the wrath of Big Oil. Finally, Obama is positioning the U.S. to play a key role in negotiations on a new global-climate treaty that will begin next year, establishing American leadership on climate issues and giving him one last chance to lead the world to a cooler future before he leaves the Oval Office…