As you can see, Obama's support among New Hampshire Democrats without college degrees slightly increased from the pre-election poll to the exit poll. There was an increase in Clinton's support among voters with only a high school degree or less, but there was also a slightly smaller increase among Obama voters from this group. Where Clinton dramatically picked up support from the pre-election poll to the final poll was among voters with college degrees and higher. That's exactly the opposite of what Kohut's version of the Bradley effect would predict.
Here we come to a far more likely explanation (albeit one of several) for why the pre-election polls were wrong: Women--and college-educated women in particular-- shifted to Clinton. The polls show that while four percent of men switched over to Clinton, 12 percent of women did. Since there was very little change among voters without college degrees, one must infer that the bulk of the change came from women voters with college degrees. And it seems unlikely that racism can help to explain that, since well-educated women may be the least racist sub-group in American society.
The answer to what happened is staring people in the face but some do not want to say it. The Media Misogynists, led by the execrable Tweety Matthews, galvanized women voters to support Hillary Clinton. It is hilarious to watch Media Establishment figures stab wildly for some other explanation. What is not hilarious is when people like Kohut grasp at irresponsible and incendiary speculation to defend the Village. Mr. Kohut should be ashamed of himself.