Country music is at an impasse. The genre’s two biggest stars — who also happen to be two of the nation’s best-selling artists —couldn’t be more different: one, an ebullient gay Black man; the other, a loutish-behaving, drunk white bigot. Lil Nas X has upward of 20 million singles sold of his genre-blending song “Old Town Road,” while Morgan Wallen’s double album, Dangerous, is preparing to reach two consecutive months atop Billboard’s Hot 200 chart. This comes after Wallen uttered the word “ni**er” out loud while being filmed on the first day of 2021’s Black History Month. Despite the 27-year...