Well, I am PH, and I had already shrugged off the question before I got to your excellent post. All they have to do is hum a few notes and I can recognize the song.
"Hi, everybody. I don't really have a dog in this fight, but could someone please explain to me why we shouldn't impeach Bush and throw him in a cell at Gitmo for being the lying, traitorous, cowardly, imperialist pig-dog dog he is? I mean, I'm a moderate, so I don't really care either way, but I'm just curious..."