Our society is divided by many conflicting forces, but two of them are in our face almost all the time, roiling America like the whirling blades of the old MixMaster – and causing just as much confusion.

Both are related to the field in which I was trained – linguistics. Both center on language – not surprising, since language is a multi-purpose tool without which we would not be human.

I think of them as two mega-issues, each with a constellation of sub- and intersecting issues.

1. 1. Hate speech and fighting words