In 1958, 53 percent of voters said they would not vote for a well-qualified black candidate for president; in 1984 it was 16 percent; by 2003 it was 6 percent; now it stands at 3 percent.
Except for that bit, I can't recommend the article. The writer confuses institutional classism with institutional racism: Yes, there are still racists in the world and yes, black and brown folks are disproportionately poor because they had no wealth or wealth was taken from them, but today, their main problem isn't racism; it's the same problem that twice as many poor white folks suffer from: economic inequality.
It's a little surprising that the writer didn't figure that out, as he does give an example of bourgie black prejudice against poor folks:
The poorer the woman, the more vulnerable she was to these attacks. Sharon Bialek, the first to go public with accusations of sexual harassment, was dismissed by his campaign primarily because she was broke. Cain’s opponents, his spokesperson claimed, “have now convinced a woman with a long history of severe financial difficulties, including personal bankruptcy, to falsely accuse the Republican frontrunner of events allegedly occurring well over a decade ago for which there is no record, nor even a complaint filed.”