President Obama applauds Daniel Hernandez, an intern for US Rep. Gabrielle Giffords (D) of Arizona, who helped her after she was shot on Jan. 8 during a shooting rampage that killed six people and left 14 injured. President Obama was attending 'Together We Thrive: Tucson and America,' a memorial service for the victims, in Tucson, Ariz., on Jan. 12. J. Scott Applewhite/AP
Thousands wait in line to enter McKale Memorial Center on the University of Arizona campus in Tucson, Ariz., on Jan. 12, where President Obama attended a memorial service for the victims of the Jan. 8 shootings. Deirdre Hamill/The Arizona Republic/AP
People listen to speakers at a memorial service in Tucson, Ariz., on Jan. 12. Chris Carlson/AP
President Obama speaks at a memorial service in Tucson, Ariz., on Jan. 12. Chris Carlson/AP
President Obama shakes hands with Mark Kelly, the husband of Rep. Gabrielle Giffords, at a memorial service in Tucson, Ariz., on Jan. 12. J. Scott Applewhite/AP
First lady Michelle Obama (r.) watches as Mark Kelly, husband of Rep. Gabrielle Giffords, hugs Homeland Security Secretary Janet Napolitano during a memorial service in Tucson, Ariz., on Jan. 12. Chris Carlson/AP
First lady Michelle Obama hugs Mark Kelly during a memorial service in Tucson, Ariz., on Jan. 12. Chris Carlson/AP
Dr. Peter Rhee (back to camera), the lead doctor who attended to Rep. Gabrielle Giffords, is greeted by Pima County Sheriff Clarence Dupnik (c.) at a memorial service in Tucson, Ariz., on Jan 12. Mike Segar/Reuters
Dr. Peter Rhee, the lead doctor for Rep. Gabrielle Giffords, is greeted during a memorial service in Tucson, Ariz., on Jan. 12. Mike Segar/Reuters
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Returning home for good: After a year and a half of therapy in Houston, former Congresswoman Gabrielle Giffords, who was wounded in a mass shooting, is back home in Arizona.
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