U.S. Representative Gabrielle Giffords (D-AZ), who was shot during an appearance in Tucson, Arizona is seen in an undated handout photo provided by her Congressional office in Washington, January 8, 2011. Giffords was shot in the head while holding a public event in Tucson, Arizona on January 8, 2011. Giffords, 40, a Democrat, is married to U.S. astronaut Mark Kelly. She took office in January 2007, emphasizing issues such as immigration reform, embryonic stem-cell research, alternative energy sources and a higher minimum wage. [Xinhua]