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Photo by: Michael Chow

From left, Pam Valentine, Erika Russell, Desi Sloane, Chari Valentine, and Diane Sloane, all from Tucson, pay their respects at a makeshift memorial outside U.S. Rep. Gabrielle Giffords' office in Tucson, Ariz. Sunday, Jan. 9, 2011. A gunman targeting Mrs. Giffords opened fire outside a Safeway in Tucson Saturday, killing six people. (AP Photo/The Arizona Republic, Michael Chow)

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