^^If you are talking pure numbers then lets examine that. There are roughly 38million blacks in this country (13.1%). Half of those are voting age (thats being extremely generous). That's leaves 19million. Minus the 700K in jail. That leaves just over 18million. 90% voted for Obama. That's roughly 16million people right? Now whites make up roughly 70% of the US population. Which is 210million people. Half are of voting age. That's 105 million. 15% considered race is a factor. That means that roughly 12million whites won't admittingly vote for Obama. So going strictly by the numbers, there isn't a huge difference. And that is only taking the whites who admit to voting on race factors.