For many years, Yale had a dorm called "Calhoun"; the reference was not just to a slaveholder, but to an ardent lover of the idea of slaveholding, someone who "advocated" for the idea of slaveholding. One argument for retaining the name "Calhoun" was that we must not forget major moments in history, including shameful moments in history. The name was not an endorsement of the man's legacy--but a provocative reminder that America had embarrassed itself in the past. In the movie "Origin," the leading scholar travels to Germany, where she learns it's a crime to display a swastika. "It's strange," she says. "In America, you can display a different symbol of genocide, a Confederate flag, and nothing happens. In fact, that flag is an official part of Mississippi iconography." Eventually, "Calhoun College" became a new dorm--but "Yale University" held onto the name "Yale." Although Mr. Yale...