Shirley McReynolds, right, and Dortha Bradley, second from right, stand along Campbell Avenue in Tucson, Ariz., as the ambulance carrying U.S. Rep. Gabrielle Giffords, D-Ariz., passes by on Friday, Jan. 21, 2011 in Tucson, Ariz. Giffords is being transported to a medical facility in Houston. (AP Photo/Arizona Daily Star, Mamta Popat) MANDATORY CREDIT