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

itoggle caption Ross D. Franklin/AP

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

itoggle caption Ross D. Franklin/AP

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

itoggle caption Ron Medvescek/Courtesy Arizona Daily Star

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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Taken on May 17, this photo of Rep. Gabrielle Giffords (left) and her mother, Gloria Giffords, was posted on her Facebook page on June 12. P.K. Weis/Facebook.com/GabrielleGiffords hide caption

itoggle caption P.K. Weis/Facebook.com/GabrielleGiffords

In this Jan. 5, 2011 file photo, Rep. Gabrielle Giffords, D-Ariz., takes part in a reenactment of her swearing-in, on Capitol Hill in Washington. Susan Walsh/AP hide caption

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In this Jan. 5, 2011 file photo, Rep. Gabrielle Giffords, D-Ariz., takes part in a reenactment of her swearing-in, on Capitol Hill in Washington. Susan Walsh/AP hide caption

itoggle caption Susan Walsh/AP