Over the weekend, Maureen Dowd recounted a conversation with George Lucas in which she asked if it had been fair to compare Dick Cheney to Darth Vader. Lucas replied:Lucas explained politely as I listened contritely. Anakin Skywalker is a promising young man who is turned to the dark side by an older politician and becomes Darth Vader. “George Bush is Darth Vader,” he said. “Cheney is the emperor.”Amy Davidson offers a strong rejoinder...