Peter Debruge Chief Film CriticOne can imagine an American director such as Norman Jewison or Sidney Lumet directing a film about the legal battle at the heart of “Pieces of a Woman”: A terrible tragedy has occurred, and an expectant young Boston couple (played by Vanessa Kirby and Shia LaBeouf) have taken their midwife (Molly Parker) to court. The media are all over the story, which casts the entire practice of home birth into question.