Rep. Gabrielle Giffords (center), Arizona Democrat, is greeted by Rep. Jeff Flake, Arizona Republican, and Rep. Debbie Wasserman Schultz, Florida Democrat, before President Obama's State of the Union address to Congress on Tuesday, Jan. 24, 2012, on Capitol Hill in Washington. (AP Photo/Saul Loeb, Pool)

Photo by: SAUL LOEB

Rep. Gabrielle Giffords (center), Arizona Democrat, is greeted by Rep. Jeff Flake, Arizona Republican, and Rep. Debbie Wasserman Schultz, Florida Democrat, before President Obama's State of the Union address to Congress on Tuesday, Jan. 24, 2012, on Capitol Hill in Washington. (AP Photo/Saul Loeb, Pool)