Doctors "very, very encouraged" by Giffords' progress, charges expected as early as Sunday
Giffords
Credit: AP
FILE - This undated file photo provided by the Office of Rep. Gabrielle Giffords, shows Democratic Rep. Gabrielle Giffords of Arizona's 8th Congressional District. Congressional officials say Rep. Gabrielle Giffords, D-Ariz., has been shot in her district. (AP Photo/Office of Rep. Gabrielle Giffords, File) NO SALES
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