'Professor Marston and the Wonder Women' Exclusive clip: Who is Sappho

Exclusive deleted scene from the biographical drama "Professor Marston and the Wonder Women" based on the story of William Moulton Marston and his polyamorous relationship with his wife and his mistress who would inspire his creation of the superheroine, Wonder Woman. Starring Luke Evans, Rebecca Hall and Connie Britton. Written and directed by Angela Robinson.