Gabrielle Giffords: Gabrielle Giffords resigns from the House in emotional farewell

A number of Gabrielle Giffords's House colleagues take to the floor to offer tributes to the Arizona Democrat, and several dedicated their floor remarks to Giffords during the time for debate on her bill early Wednesday.WASHINGTON -- In an extremely moving moment on the House floor, Rep. Gabrielle Giffords (D-Ariz.) submitted her resignation to House Speaker John Boehner (R-Ohio) Wednesday morning after making the announcementRep. Gabrielle Giffords, who moved the nation with an improbable

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