WestEnd FilmsVENICE, Italy—It’s a return to form for Woody Allen! That’s right, a return to the form of 2015’s Irrational Man, which saw Parker Posey playing a character under the age of 70 called “Rita,” and Joaquin Phoenix saying, “Where do you want to run away to? Tahiti, like Paul Gauguin?”Which is to say that nobody in a Woody Allen film has uttered a single sentence that an actual person would say for the best part of 20 years. His films are filled to the gills with cheap exposition, crass