Giffords asks Senate to act on gun control

Former Arizona Rep. Gabrielle Giffords, second from right, who was seriously injured in the mass shooting that killed six people in Tucson, Ariz. two years ago, sits with her husband Mark Kelly, right, on Capitol Hill in Washington, Wednesday, Jan. 30, 2013, prior to giving an opening statement before the Senate Judiciary Committee hearing on gun violence. Supporters and opponents of stricter gun control measures face off at a hearing on what lawmakers should do to curb gun violence in the wake of last month's shooting rampage in Newtown, Conn., that killed 20 schoolchildren. (AP Photo/Susan Walsh)