Republican presidential candidate, former Pennsylvania Sen. Rick Santorum, center, speaks as his daughter, Elizabeth, left, and wife, Karen, look on during a South Carolina Republican presidential primary night rally at the Citadel on Jan. 21. Santorum says it's a "wide open race" for the GOP nomination, and he won races in Minnesota and Missouri Tuesday. (AP Photo/Rainier Ehrhardt)
Read the article: Santorum seizes Minnesota lead, wins Missouri in GOP primary
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