Well, at least two of them. A little while ago, I was at a small Romney rally in a parking lot in Tampa. About 150 Romney fans gathered for a brief pep talk from Romney, in a crisp white dress shirt, with his sleeves rolled up. Afterwards, I talked to an older woman who said immigration was one of her top issues and that she and her brother–also at the rally–swung to Romney as of yesterday, after their original candidate, Fred Thompson, dropped out. In what can only be interpreted as a shameless bid for the Fred vote, Romney addressed the crowd from the back of a pick-up truck–although a white, not a red, one. That would have been just too obvious…