People wave and applaud as the ambulance carrying U.S. Rep. Gabrielle Giffords, D-Ariz., leaves University Medical Center, Friday, Jan. 21, 2011, in Tucson, Ariz. Giffords is being transported to a ... more 
People wave and applaud as the ambulance carrying U.S. Rep. Gabrielle Giffords, D-Ariz., leaves University Medical Center, Friday, Jan. 21, 2011, in Tucson, Ariz. Giffords is being transported to a medical facility in Houston. less 
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Associated Press | Photo By Matt York
Fri, Jan 21, 2011 2:57 PM EST