Yesterday on his show, Rush Limbaugh said this about an event where he ran into Bill Clinton and someone else: I shook his hand, he left, comes back, the mayor of Los Angeles, I thought it was a Secret Service agent, maybe a shoeshine guy. Turns out he gives me his card, I said, "Oh, my gosh, it's the mayor of Los Angeles." I stood up, I said, "Hello, Mr. Villaraigosa." The evil airheads at ThinkProgress claim this is an "Ethnically-Charged Insult" (thinkprogress.org/2008/05/06/media-limbaugh-villaraigosa), when in fact it appears to have another explanation. I don't know whether Rush has...