Giffords-Gun Control

Former U.S. Rep. Gabrielle Giffords, D-Ariz., tosses a ball for her 2-year-old dog, Nelson, with husband, former astronaut Mark Kelly, at an overlook of Cook Inlet in Resolution Park on Tuesday, July 2, 2013, in Anchorage, Alaska. Giffords and Kelly are in Alaska as part of a seven-state “Rights and Responsibilities Tour” urging members of Congress to expand background checks on gun sales. Giffords, who survived a 2011 assassination attempt, and Kelly founded Americans for Responsible Solutions. (AP Photo/Dan Joling)