Great Scott Alexander post:
[T]he [polls with racial breakdowns that] we have suggest that Donald Trump’s supporters are about as diverse as any other Republican’s and maybe more so. . . .
On the other hand, there is a candidate whom the media narrative fits like a glove. A candidate who may win [a] primary among whites, but loses in a landslide among minorities. A candidate whose black support is almost an entire order of magnitude lower than his white support. . . .