InsideClimate News: After years of protests and lobbying, the Obama administration is expected to decide within months on the fate of the 1,200-mile Keystone XL oil pipeline. The State Department is finalizing a supplemental environmental impact statement (SEIS) for the project, which would ship tar sands oil from Canada, through America's heartland, and to the Gulf Coast via other pipelines. The agency will use the SEISexpected any day nowto help determine whether the project is in the "national interest," a term...