News roundup: Santorum suspends GOP presidential campaign … Lawmakers seek more education about refund cards … Coast Guard confirms fuel oil spill on Mississippi River … Reports: Parcells unlikely to be Saints’ interim coach

    Insider
    On the outs: Bowing to the inevitable, Rick Santorum quit the presidential campaign this afternoon, clearing the way for Mitt Romney to claim the Republican nomination. Santorum, appearing with his wi…

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