Mateo Ybarra’s ‘Small Talk,’ a Locarno Premiere, Takes a Peek Into Switzerland’s Last Remaining Etiquette School for…

“Small Talk,” directed my Mateo Ybarra (“Over Our Hills,” “Summer Camp”), will have its world premiere at the Locarno Film Festival on Aug. 11. The film stars Hélène Bares (“Evy & Me”) as Charlie, who signs up for a summer course at…