Former Vice President Al Gore, America’s green guru, is a man who rarely says anything good about Republican politicians. But that’s until Gore read Mitt Romney’s ‘Climate Protection Plan,’ that outlined his cap-and-trade initiative in 2004, while he served as governor of Massachusetts. Grist, an environmental news website, quotes Romney as saying, “I believe the world’s getting warmer … I believe based on what I read that the world is getting warmer. And number two, I believe that humans contribute to that … I think it’s important for us to reduce our emissions of pollutants and greenhouse gases that may...