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Jan. 8 is the anniversary of the Tucson, Ariz. shooting that killed six people and wounded 13 others, including Rep. Gabrielle Giffords. Giffords continues to call for persistence in the fight for gun control. pictured here, Giffords is led by her husband, retired NASA astronaut and Navy Capt. Mark Kelly as she prepares to give an opening statement before the Senate Judiciary Committee during hearing about gun control on Capitol Hill Jan. 30, 2013 in Washington, DC.