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President Barack Obama (R) talks with Representative Gabrielle Giffords, shot in the head during a shooting spree in Tucson, Arizona last year as Rep. Jeff Flake (L) looks on before Obama’s State of the Union address to a joint session of Congress on Capitol Hill in Washington, January 24, 2012. Credit: Reuters/Jonathan Ernst

President Barack Obama (R) talks with Representative Gabrielle Giffords, shot in the head during a shooting spree in Tucson, Arizona last year as Rep. Jeff Flake (L) looks on before Obama's State of the Union address to a joint session of Congress on Capitol Hill in Washington, January 24, 2012. Credit: Reuters/Jonathan Ernst