Wheres the source on that?
"Show me just what Mohammed brought that was new, and there you will find things only evil and inhuman, such as his command to spread by the sword the faith he preached." - Manuel II Palelologus
We may never know the actual percentage of black vote, as the ‘Obama effect’ may be setting in, where black voters don’t want to admit that they will vote or have voted for the guy, but in the booth they’ll pull his lever anyway.
Also, whatever chance was there that Obama would have gotten 71% of the evangelical vote? Such a result wouldn’t be necessary for him to eek out the a few battleground states—with record voting in Philly, Cleveland, etc.—anyway.