Presidential candidates Hillary Clinton and Sen. Bernie Sanders seek to claim the “progressive” mantle. Both claim the other is not a true progressive. Clinton teased Sanders as being the “self-proclaimed gatekeeper for progressivism.” Bernie Sanders said that Hillary Clinton can’t be both a moderate and a progressive and that most progressives don’t take millions from Wall Street. But let’s talk about the origins of progressivism. It’s only historical ignorance that could explain black affinity for progressivism.