Rep. Gabrielle Giffords and husband Mark Kelly are interviewed by Diane Sawyer on ABC's 20/20. The show, featuring the first public interview Giffords has given since she was shot in the head in Tucson last winter, aired Nov. 14, 2011. (Associated Press/ABC)

Photo by: Ida Mae Astute

Rep. Gabrielle Giffords and husband Mark Kelly are interviewed by Diane Sawyer on ABC's 20/20. The show, featuring the first public interview Giffords has given since she was shot in the head in Tucson last winter, aired Nov. 14, 2011. (Associated Press/ABC)