Giffords appeals for gun control

Former Arizona Rep. Gabrielle Giffords, who was seriously injured in the mass shooting that killed six people in Tucson, Ariz. two years ago, sat with her husband, Mark Kelly, right, a retired astronaut, on Capitol Hill in Washington today prior to speaking before the Senate Judiciary Committee hearing on what lawmakers should do to curb gun violence in the wake of last month's shooting rampage at that killed 20 schoolchildren in Newtown, Ct.