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          College Football Nation Blog

          Iowa campus police revise Twitter joke

          • Jake Trotter, ESPN Senior WriterSep 14, 2014, 02:50 AM
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              Jake Trotter covers college football for ESPN. He joined ESPN in 2011. Before that, he worked at The Oklahoman, Austin American-Statesman and Middletown (Ohio) Journal newspapers. You can follow him @Jake_Trotter.
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          Earlier this week, the police department at the University of Iowa took a shot at the Iowa State police department with a "knock, knock" joke.

          After Iowa State beat the Hawkeyes 20-17 with a last-second field goal, Iowa police, good sports, revised their joke later Saturday.