In case you are not a member of the media class, or a regular consumer of political think pieces, you may be unfamiliar with one of the stranger twists of the 2016 campaign, the emergence of so-called “Bernie Bros” — angry young men whose enthusiasm for Bernie Sanders makes them condescending and even misogynistic toward female supporters of Hillary Clinton. Even moderate political junkies would have to be deep into Twitter and the blogosphere to have come across the term so far, but rest assured, it is tearing the world of online politicos apart.