On the first day of my political philosophy class at Shawnee State University in the spring of 2019, a biologically male student raised his hand and I called on him, unwittingly using the now-incendiary words, “Yes, sir.” As a professor of philosophy, I view the classroom as a place of dynamic discussion and exchange. And I work hard to foster an atmosphere of civility and rational discourse, a place where students can seek truth. This student approached me after class and said that he identified as a woman and demanded, from that point on, that I refer to him as...