CHARLOTTE, NC – SEPTEMBER 06: Former U.S. Rep. Gabrielle Giffords (D-NV) walks on stage with Democratic National Committee Chair, U.S. Rep. Debbie Wasserman Schultz (D-FL) (L) during the final day of the Democratic National Convention at Time Warner Cable Arena on September 6, 2012 in Charlotte, North Carolina. The DNC, which concludes today, nominated U.S. President Barack Obama as the Democratic presidential candidate. (Photo by Justin Sullivan/Getty Images)