Daniel Hernandez, an intern with U.S. Rep. Gabrielle Giffords, D-Ariz., speaks outside University Hospital in Tucson, Ariz. Hernandez attended to Giffords and others immediately after Giffords was shot in the head a day earlier during a speech at a local supermarket. Hernandez's brave and clear-headed actions helped save the life of Giffords and made him a hero.