Kurt Eichenwald is an interesting guy -- in the same way that a 47-car pileup on the freeway is interesting. He is, according to his Twitter bio, a contributing editor to Vanity Fair and a New York Times bestselling author. He also has written for Newsweek, where he penned one of the best essays I have ever read about conspiracy theories.

You would think that a man with such enormous influence would wield it with great responsibility. But you would be wrong. Last year, he tweeted -- without any evidence whatsoever -- that he believed Donald Trump...

Trouble with math

As a nation, we have made progress in the medical and legal professions over the years in closing the occupational gender gap. Today, close to half of all med school graduates are women. Meanwhile, in the aggregate, law offices have a similar ratio, according to the American Bar Association, and it's been that way for more than a generation. (All this pertains to employment, just to be clear. The salary gender gap is a whole other matter, for another time.)

However, gender equality does not exist in professions requiring foundations in science and math, as women make up less than one-fifth of college graduates holding a degree in engineering and computer science. And why is that?

Here's why, at least partly. Once again, we're learning that a major factor for this...