Rep. Gabrielle Giffords hugs Daniel Hernandez, the former intern who helped save her life. Facebook.com hide caption
Rep. Gabrielle Giffords announced on Sunday that she will be stepping down from Congress. YouTube hide caption
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
Captain Mark Kelly hugs his wife, Rep. Gabrielle Giffords (D-Ariz.) at the White House in October. The White House/Getty Images hide caption
Suzi Hileman inspects an aloe on her front porch on Wednesday, Aug. 24. Ron Medvescek/Courtesy Arizona Daily Star hide caption
Rep. Gabrielle Giffords last May. P.K. Weis/Facebook.com/GabrielleGiffords hide caption
Melissa Block speaking with Mark Kelly
Aug. 1: Rep. Gabrielle Giffords (D-Ariz.) waves to her House colleagues after voting for a bill to raise the federal debt ceiling. AP hide caption
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
Rep. Gabrielle Giffords (D-AZ) waves to her House colleagues after voting for a bill to raise the federal debt ceiling, in this image from House Television. AP hide caption
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