Former astronaut Mark Kelly fires a hunting rifle at a shooting range on Tuesday, July 2, 2013, in Anchorage, Alaska, as Anders Gustafson spots bullet placement on the target. Kelly and

 

              Former astronaut Mark Kelly fires a hunting rifle at a shooting range on Tuesday, July 2, 2013, in Anchorage, Alaska, as Anders Gustafson spots bullet placement on the target. Kelly and
Former astronaut Mark Kelly fires a hunting rifle at a shooting range on Tuesday, July 2, 2013, in Anchorage, Alaska, as Anders Gustafson spots bullet placement on the target. Kelly and his wife, former U.S. Rep. Gabrielle Giffords, 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)