Like a haute couture dress that’s a little loose around the waist, Apple’s The New Look boasts better craft than execution. The 10-episode drama traces the parallel lives and careers of Christian Dior and Coco Chanel in post-war Europe, when fashion was assigned the responsibility of uplifting the French public’s spirits. But before it pits them against each other in a Ryan Murphy-esque feud, the show alternates between being a gritty World War II drama and a working facsimile of Paul Thomas Anderson’s Phantom Thread. Ben Mendelsohn delivers a big performance as Dior, a mild-mannered man who is indistinguishable from...