Bill Clinton, Al Gore, and the Secretary of Defense all wanted to go to Oz, to visit the Wizard of Oz. Bill looked at Al and asked him why he wanted to go. Al said that he needed a brain, and Bill agreed with him.
Then, Bill asked the Secretary of Defense why he wanted to go, and he said that he needed a heart. Bill also agreed with him. Then both looked at Bill and asked him why he was going. He answered, "I'm looking for Dorothy!"