John McCain's own economic adviser has said the next president will have to raise taxes. Meanwhile, his candidate proposes to cut them to the tune of trillions. And now Alan Greenspan says that's a cut we simply cannot afford. McCain has previously said that Greenspan is such a great mind that he'd appoint him to overhaul our tax code even if he was dead. "Alive or dead it doesn't matter," said McCain. "If he's dead, just prop him up and put some dark glasses on him like, like 'Weekend at Bernie's.'" Now Greenspan is saying that McCain's overhaul of the tax code is ludicrous. I'm sure McCain will listen to him and come out with a sensible plan in 3, 2, 1...