Piggybacking off of Josh, it's instructive to compare Herman Cain in the early '90s with Herman Cain today. The contrast between a man making an actual argument on math, and a man spouting tribal slogans ("class warfare" "sharia law" etc.) says a lot about the movement he represents.
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Ta-Nehisi Coates is a national correspondent for The Atlantic, where he writes about culture, politics, and social issues. He is the author of The Beautiful Struggle, Between the World and Me, and We Were Eight Years in Power.