This week: Essayist John Jeremiah Sullivan takes a hard left turn…Talk show giant Dick Cavett spits out etiquette tips… We learn the meaning of “peplum”… Mega-producer Nile Rodgers gets revenge on Studio 54… The Edsel flops right into a cocktail glass… And Caldecott Award-winner Brian Selznick (Hugo) shares unforgettable picture books – for adults. Plus a playlist from indierock supergroup Wild Flag.