When Donald Trump initially rocketed to the top of national Republican polls, it was fashionable to compare him to Herman Cain, Michele Bachmann, and Newt Gingrich — a flamboyant media personality, briefly capturing the spotlight, but doomed to immolate. But Trump is not running a race like those other candidates, nor is he mimicking their results. Instead, he is following the pattern more like a candidate from an earlier cycle: Pat Buchanan.

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