Rep. Gabrielle Giffords, D-Ariz., speaks with her chief of staff Pia Carusone, left, and husband Mark Kelly as she arrives to cast her final vote in Congress. on Jan. 25, 2012. Giffords announced she is resigning from Congress this week to continue her rehabilitation from being shot during a Congress on the Corner event in her home district last year.
Bill Clark/CQ Roll Call
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