It’s an interesting dynamic. And apparently it goes both ways. It’s not news that black politicians, particularly of the older sort, hate Obama. The Congressional Black Caucus nearly went all in for Hillary. Jesse Jackson talked about cutting off Obama’s nuts. No doubt much worse was said in private. Some of this may be a personality clash between the old corrupt generation of black pols, the Charlie Rangel era, and the younger savvier Cory Bookers, like the one that played out in Newark. The Charlie Rangels think the Obamas and Bookers are too slick and too phony, that they don’t...