Obama Accepts Nomination On Final Day Of Democratic National ConventionCHARLOTTE, NC – SEPTEMBER 06: Former U.S. Rep. Gabrielle Giffords (D-NV) hugs her husband former NASA astronaut Mark Kelly stage 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 Kevork Djansezian/Getty Images)