The rematch between U.S. Rep. Ron Barber and retired Air Force Col. Martha McSally has lived up to its billing as one of the country’s most closely watched races in at least one capacity — outside spending.
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Gabby Giffords group starts airing gun-control TV ad
Former Arizona Congresswoman Gabrielle Giffords is taking to the airwaves in hopes of persuading Congress to approve gun-control measures.
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