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tsr bts santorum iowa turnaround_00012329

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    Stunning turnaround for Santorum in Iowa

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Stunning turnaround for Santorum in Iowa

GOP presidential candidate Rick Santorum rises in the polls in Iowa. CNN's Wolf Blitzer has more.

Stunning turnaround for Santorum in Iowa

GOP presidential candidate Rick Santorum rises in the polls in Iowa. CNN's Wolf Blitzer has more.