62.3% of total voters voted early in 2008.
Of those who voted early
52% Dems / 48% Repub & Unafilliated combined
Final 2008 vote had Obama win over McCain by 0.4%
This means a greater percentage of voted for McCain on Election Day 2008.
Of those who voted early in 2012
2,728,659 total votes early.
Blacks overwhelmingly register Dem and vote Dem (maybe 93%?) in 2008.
In 2008, Blacks who voted early could have made up 50-52% of early Dem vote?
In 2012, Blacks who voted early could make up 50-57% of Dems who vote early?
7% more Blacks have already voted in 2012 than 2008. This is a greater number AND percentage of the early vote than 2008.
We may be surprised to see Blacks give a smaller percentage to Obama in 2012 than they did in 2008?