I'm not sure that I would call black people's insistence on voting for liberal Democrats a result of brainwashing, but it is hard to explain using other reasoning.
Conservative and liberals alike seem to agree that Washington is broken. But one group was less brokenness and the other wants more.
I'm a Christian, not a Republican, but I vote Republican because it's the best chance of beating the Democrats. And I have a clear conscience.
When I vote for leaders, including the President, I am not looking for a person who is going to bring unity. No such person exists. You can't make everyone happy, and I don't want a wishy-washy leader who's going to try.