Item: Iowa caucuses: Five not-so-unlikely surprises/Rolling Stone

More Info: The smart money — not to mention the latest polls — gives an edge to Barack Obama and Mike Huckabee in tonight’s Iowa caucuses. But take a couple hundred thousand Midwesterners, pack them into gyms and libraries and town halls on a frigid Iowa night, add a heaping measure of peer pressure to the equation, and, well, anything can happen.

Question: Can you predict the biggest surprise of today's Iowa caucuses?

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