In this Jan. 5, 2011 file photo, Rep. Gabrielle Giffords, D-Ariz., takes part in a reenactment of her swearing-in, on Capitol Hill in Washington. Susan Walsh/AP hide caption

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While Rep. Giffords recovers, her staff has continued to work. As this file photo of the office's in/out board shows, though, they do so knowing that one aide — Gabe Zimmerman — was killed in the Jan. 8 rampage. Allen Breed/AP hide caption

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