A very suspicious (and perhaps a tad demented) person might see more than just evidence of global warming in this heat wave that's crisping up the country of late. Clearly, there's a mysterious scheme afoot to get Al Gore elected — or, re-elected if you like — as president of the United States in 2008. Laugh if you like, but chew on this: Can it be mere coincidence that a “An Inconvenient Truth,” a movie about a PowerPoint presentation that consists of mostly scientific exposition, by a guy once so stiff he made John Kerry seem like a drag queen,...