Former Rep. Gabrielle Giffords, left, and husband Mark Kelly, walk over to place flowers at the site of a memorial to the Tucson mass shooting victims, as they returned to the site of a shooting that ... more 
Former Rep. Gabrielle Giffords, left, and husband Mark Kelly, walk over to place flowers at the site of a memorial to the Tucson mass shooting victims, as they 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) less 
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Associated Press | Photo By Ross D. Franklin
Wed, Mar 6, 2013 1:57 PM EST