The question missing in the story is: Did the Black American guy consistently vote against DemoRats, or did the Negro Plantation dweller vote consistently for DemoRats and especially for the Negro Messiah, B. Hussein Obama the Kenyan Muslim slave holder?
Only one of those individuals is responsible for American decline, does he know who he is?
The GOP just is not clearly making a strong case for the American worker. Do you think they have been doing that? Did I miss their championing the American worker? I have seen the GOP ex politician lobbyists champion China and Russia, but I have not seen one who would champion the black gentleman facing unfair foreign competition from illegal workers.
If the issue is illegal immigration, then it really wouldn’t matter whether he voted Democrat or Republican. I think that’s the OP’s point about the “one party” thing.