Democratic National ConventionCHARLOTTE, NC – SEPTEMBER 06: First lady Michelle Obama (L) applauds with her mother Marian Robinson (R) 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 Win McNamee/Getty Images)