IMO, they are voting color, not conscience.
No, they are voting that way because they are liberals and have a blindness to the truth and righteousness of God.
If they were voting color, then Alan Keyes would be who they would back. He's the most Godly of all the candidates, the most conservative of all the candidates, the only candidate that understands that Americas move to the left is due to her sin and that America must revive itself by repentance, ie abortion, gay marriage, kicking God out of the puplic square, etc.,
So since Keyes is black and they are not backing him, it must be because these churches that were interviewed are anti-truth thus in reality anti-God, anti-conservative, anti-revival, and anti-righteousness.