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Romney, Gingrich Spar Over Negative Super PAC Ads
There's a spirited debate going on between GOP presidential candidates Mitt Romney and Newt Gingrich. A Super PAC called Restore Our Future is running negative ads against Gingrich on Romney's behalf. Gingrich called on Romney to get the ads off the air. Romney responded by saying the law does not allow him to communicate with a Super PAC.