Thelma and Louise defied convention - it was the first screenplay by Hollywood outsider Callie Khouri, it starred not just one, but two women... and then there's that crazy ending. In her new book "Off the Cliff: How the Making of Thelma and Louise Drove Hollywood To the Edge," writer Becky Aikman tells the story behind the film and asks how Hollywood might learn from it in this #TimesUp moment.