(snip) But for all its diversity of land and people, Arizona is also a lunatic magnet. As I drove, I listened to the radio blather of a state in mob-rule frenzy of cranky old men. Once in Phoenix, I saw on television that sign in a car’s rear window, the new image of Arizona to the rest of the world: “I’m Mexican. Pull me over.” Arizona Gov. Jan Brewer signed the state's the immigration law last Friday in Phoenix. The Associated Press Arizona Gov. Jan Brewer signed the state’s immigration law last Friday. This week, Jon Stewart called Arizona the...