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ac iowa caucus countdown_00000129

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    Three-way battle for lead in Iowa

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Three-way battle for lead in Iowa

A volatile race for Iowa will go down to the wire with Ron Paul, Mitt Romney and a surging Rick Santorum leading the way.

Three-way battle for lead in Iowa

A volatile race for Iowa will go down to the wire with Ron Paul, Mitt Romney and a surging Rick Santorum leading the way.