Often, Hollywood epics and even some Sophoclean tragedies have a sequel.

Ionce wrote that whenever Donald Trump exits office, he will likely leave as a “tragic hero.” Over two millennia ago, the Athenian tragedian Sophocles first described the archetype in his portraits of an angry and old but still fearsome Ajax, and heroic but stubborn and self-fixated Antigone.

In the iconic John Ford Western “The Searchers” and in a host of other films from “Shane” to “High Noon,” we have seen stories of these sorts.

The legalistic but impotent town...