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Photo by: Charlie Riedel

A flag stands at half-staff as security officials stand at the entrance to the the Sandra Day O'Connor United States Courthouse in Phoenix, Ariz., Monday, Jan. 10, 2011, where 22-year-old Jared Loughner is scheduled to appear in federal court on charges he tried to assassinate Rep. Gabrielle Giffords in a shooting rampage that left six people dead. (AP Photo/Charlie Riedel)

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