TODD HAYNES MAKES FILMS THAT ARE TENDER and vital, with a deep affection for the past that’s never just misplaced nostalgia. He knows it’s a place where real people lived, loved and sometimes suffered. Haynes’ extraordinary new film, Wonderstruck, builds on everything he has done before, but it’s also a crazy leap, a picture that works almost against all odds. Based on a novel by Brian Selznick, who also wrote the screenplay, it tells the dovetailing stories of two 12-year-olds, Ben (Oakes Fegley) and Rose (Millicent Simmonds), living 50 years apart. Ben, growing up in 1977 Gunflint, Minn., has just lost his mother (Michelle Williams) and has always wondered about the father he never knew. His mother refused to answer his questions, and he’s haunted by a recurring nightmare in…