Former Rep. Gabrielle Giffords, left, celebrates with Ron Barber after he won Tuesday's special election in Arizona to serve the remaining seven months of her term. Like Giffords, Barber is a Democrat. He's also a former Giffords aide. Ross D. Franklin/AP hide caption

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Rep. Gabrielle Giffords (D-Ariz.) and her husband, Mark Kelly, as they recited the Pledge of Allegiance at Sunday's memorial service in Tucson. Ross D. Franklin/AP hide caption

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Captain Mark Kelly hugs his wife, Rep. Gabrielle Giffords (D-Ariz.) at the White House in October. The White House/Getty Images hide caption

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Suzi Hileman inspects an aloe on her front porch on Wednesday, Aug. 24. Ron Medvescek/Courtesy Arizona Daily Star hide caption

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Rep. Gabrielle Giffords last May. P.K. Weis/Facebook.com/GabrielleGiffords hide caption

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Rep. Gabrielle Giffords (D-AZ), center, is welcomed by her fellow members of the the House of Representatives as she appears on the floor for the first time since her shooting earlier this year. AP hide caption

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