By the numbers: Women voters

The close race for the White House between President Barack Obama and his Republican challenger, former Gov. Mitt Romney, could very well be decided by women voters in the battleground states. So, here's a look at women voters, by the numbers.
Do the Math: The CNN Electoral Map
CNN shifts North Carolina to 'lean Romney'
The Gender Gap, 1964-2008
8 -- The number of consecutive presidential elections in which a larger percentage of eligible women h