Former U.S. Representative Gabrielle Giffords walks with her spokesperson, Pia Carusone, before the dedication ceremony of the John M. Roll U.S. Courthouse in Yuma, at the Pivot Point Conference Center, across the street from the courthouse, on Thursday, April 24, 2014. Roll was among six people who died in front of the Tucson grocery store after stopping by to greet Giffords. (AP Photo/The Arizona Republic, David Wallace)
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