Former Arizona Rep. Gabrielle Giffords, center, is escorted in the hallway outside the Senate Chamber on Capitol Hill in Washington, Wednesday, April 17, 2013, before the start of a Senate vote on

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Former Arizona Rep. Gabrielle Giffords, center, is escorted in the hallway outside the Senate Chamber on Capitol Hill in Washington, Wednesday, April 17, 2013, before the start of a Senate vote on gun control legislation. Giffords, badly wounded in a 2011 mass shooting in Tucson, Arizona, and her husband, former astronaut Mark Kelly, tried to rally support for gun control by visiting Capitol Hill and attending a private lunch with Democratic senators. (AP Photo/Evan Vucci) less 

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Associated Press
Wed, Apr 17, 2013 11:12 PM EDT