President Barack Obama greets former Rep. Gabrielle “Gabby” Giffords and her husband, former astronaut Mark Kelly, in the Oval Office after they testified at a Senate Judiciary Committee hearing on gun violence, Jan. 30, 2013.

President Barack Obama greets former Rep. Gabrielle “Gabby” Giffords and her husband, former astronaut Mark Kelly, in the Oval Office after they testified at a Senate Judiciary Committee hearing on gun violence, Jan. 30, 2013.