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

Mark Kelly has a new book about his wife, Rep. Gabby Giffords, and her road to recovery since she was shot in the head on Jan. 8. Courtesy of P.K. Weis hide caption

itoggle caption Courtesy of P.K. Weis

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

Rep. Gabrielle Giffords, in a recent photo. It was posted on her Facebook page earlier today (June 12, 2011). 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

itoggle caption Susan Walsh/AP