I agree with you—yes, there’s widespread disenchantment with Obama. But whether black people vote against him this year depends entirely on who we run against him. They aren’t going to be of the “anybody but Obama” mindset unless they’re die-hard ex-military or broken-glass conservatives.
I do have some black friends who are really angry and disappointed with him and would never vote for him. Have some others who are angry and disappointed with him, but they aren’t going to vote for a fat pink white-haired Southerner, no matter how smart he is. Others are angry and disappointed with Obama, but even if they don’t want to vote for him, they’re appalled by some of the racist stuff they see about him and about his wife.
Oh, I'm not so optimistic that I expect a significant percentage of black voters to vote for the Republican in this election. We're a long, long way off from seeing any real movement toward the right in the black community.
I understand the mindset, and was once similarly indoctrinated. Escaping the liberal Democrat mind control plantation is a personal journey. No one can lead another to the realizations necessary to decide to make a break for it. A person first has to realize that they've been bought, and are corralled behind the razor wire. It takes a bit of curiosity and a lot of courage to even get that far.