Former Rep. Gabrielle Giffords smiles as she raises a fist pump to the crowd as she, her husband Mark Kelly, and a number of other Tucson mass shooting victims returned to the site of a

 

              Former Rep. Gabrielle Giffords smiles as she raises a fist pump to the crowd as she, her husband Mark Kelly, and a number of other Tucson mass shooting victims returned to the site of a
Former Rep. Gabrielle Giffords smiles as she raises a fist pump to the crowd as she, her husband Mark Kelly, and a number of other Tucson mass shooting victims returned to the site of a shooting that left her critically wounded to urge key senators to support expanded background checks for gun purchases, Wednesday, March 6, 2013, in Tucson, Ariz. (AP Photo/Ross D. Franklin)