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johns.romney.santorum_00002711

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    Romney, Santorum face-off in Michigan

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Romney, Santorum face-off in Michigan

CNN's Joe Johns reports from Troy, Michigan where candidates Mitt Romney and Rick Santorum spoke at the same venue.

Romney, Santorum face-off in Michigan

CNN's Joe Johns reports from Troy, Michigan where candidates Mitt Romney and Rick Santorum spoke at the same venue.