Gabby Giffords weighs in on Martha McSally's 'treason' comment about Kyrsten Sinema
• AZCentral.comFormer U.S. Rep. Gabrielle Giffords, the Arizona Democrat who survived a near-fatal assassination attempt at a 2011 constituent event near Tucson, condemned Republican Martha McSally's assertion that her Democratic rival for a U.S. Senate seat advoca