What is it about Karl Rove that gets under the skin of Democrats? A fundraising letter from the Democratic Senatorial Campaign Committee, signed by John Kerry, froths at the mouth about "Rove's shadowy groups": "We know Karl Rove's playbook. Lie. Smear. Win at any cost...the money we raise now will determine if we can counter Rove's dirty tricks. Last week alone, Rove and his billionaire cronies spent $11 million to attack good people like Russ Feingold and Barbara Boxer. They're trying to buy a Senate majority for Tea Party radicals Sharron Angle, Rand Paul and Christine O'Donnell." Curious, because after...