Poll worker Leon Levy attaches stickers to a tabletop on election day on Tuesday, Nov. 6, 2012, in Nashville, Tenn. After a grinding presidential campaign President Barack Obama and Republican presidential candidate, former Massachusetts Gov. Mitt Romney, yield center stage to American voters Tuesday for an Election Day choice that will frame the contours of government and the nation for years to come. (AP Photo/Mark Humphrey)

Photo by: Mark Humphrey

Poll worker Leon Levy attaches stickers to a tabletop on election day on Tuesday, Nov. 6, 2012, in Nashville, Tenn. After a grinding presidential campaign President Barack Obama and Republican presidential candidate, former Massachusetts Gov. Mitt Romney, yield center stage to American voters Tuesday for an Election Day choice that will frame the contours of government and the nation for years to come. (AP Photo/Mark Humphrey)