The Hill: James Cameron, director of the eco-tinged smash film Avatar, on Sunday called global warming skeptics “swine” at a renewable energy conference in Aspen, Colo., according to a news report. “I think they’re swine,” he said at the American Renewable Energy Day Summit, the Aspen Times reported. Here’s more from their story about Cameron’s appearance at the conference: […] Cameron and a host of other climate-change activists said there needs to be a broad educational …