For episode 20 — we’re obviously committed at this point, so subscribe already! — we take a long stroll through the shifting sands of Èric Rohmer’s Pauline at the Beach, a breezy yet piercingly sharp entry in his “Comedies and Proverbs” cycle. The proverb this time? “A wagging tongue bites itself” — and over the course of one summer holiday in Normandy, just about every character manages to do exactly that.*