Sarah Palin went to a solar plant in Ohio to talk about oil today. he Alaska governor and Republican vice-presidential candidate reiterated that McCain-Palin administration would make “energy independence” its cornerstone with the by-now familiar mix of more domestic oil production, more nuclear power, more clean coal, and support for renewable energy. (The prepared remarks are here.) For Gov. Palin, the centerpiece of the move toward more energy independence is more domestic oil production, Gov. Palin said, with a nod to Charles Krauthammer. But there’s more: “[W]e can drill, and refine, and mine, enrich, reprocess, invent, build, conserve, grow, and...