DOCUMENTARY PREMIERE: This biography of actress Natalie Wood is authorized in the most obvious sense, by her family, including two-time husband Robert Wagner, who is interviewed at length anew, by her daughter Natasha Gregson Wagner. What’s not part of this biography, then, is an examination of questions surrounding her death – at least not the rumors that swirl around every so often, about the circumstances about her drowning death off the coast of Catalina, allegedly falling off a