Giffords Urges Congress To Pass Background Checks Bill For Gun Purchases

Giffords Urges Congress To Pass Background Checks Bill For Gun Purchases
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)

Former Arizona Rep. Gabrielle Giffords returned to the scene of the horrific shooting that wounded her and killed six people two years ago. ABC's Jim Ryan reports she urged senators to pass background checks for gun purchases.