I can only imagine what will be said when/if Trump wins 20 to 30% of the black vote (maybe more). That would be completely unprecedented for a Republican. Here is Tavis Smiley, a black Democrat, conceding that this may happen based on his conversations with numerous black acquaintances:
http://www.usatoday.com/story/opini...oters-primary-elections-2016-column/81150932/
http://www.usatoday.com/story/opini...oters-primary-elections-2016-column/81150932/