Why Is <em>The Odyssey</em> Rated R?

Christopher Nolan has directed two movies in which a soldier washes up on a foreign shore and, battle-weary and sodden, fights to return home. The first, 2017’s Dunkirk, dramatized the World War II evacuation in which thousands of Allied soldiers were killed. It received a PG-13 rating from the Motion Picture Association (MPA) for “intense war experience and some language.” The other, this summer’s The Odyssey, is a seafaring adventure that laments the atrocities of the Trojan War—and is rated…