Some of the black support is being eroded by the obvious preference the Dems are sometimes forced to show for Hispanics (when push comes to shove); any black votes lost are usually replaced by 2 or 3 Hispanic ones (and their population is growing faster). Blacks are most discontent where Hispanics are a growing presence (should I say a more-rapidly-growing presence? They’re “growing” everywhere); in these areas the national (still white) Dem leadership has backed Hispanic candidates (over black ones) and appointed many Hispanics to patronage positions formerly granted to blacks. They know they have to fight harder for the Hispanic vote, and if they anger blacks, where would they go anyway? Apparently, a small number of blacks have started figuring out they can go elsewhere rather than sit home. Obama’s “coalition of minorities” was a facade to conceal deep strife between blacks & Hispanics in terms of affirmative action goodies (jobs/promotions), urban funds, prisons, etc.; everything that had been used to buy black votes in the past are quietly being offered to Hispanics now instead, and blacks are realizing it.
There is not enough loot to go around and the Democrats can take blacks for granted since they’re not a swing voter group. Hispanics are. The Democrats today to rephrase Willie Sutton, are going where the votes are. And if that means offering more affirmative action goodies to Hispanics means blacks have to go sit in the back of the bus so be it. Jim Clyburn showed how meek the blacks in willing to be used by a party that only has contempt for them.