Filmmakers Betsy West and Julie Cohen join us to discuss their new documentary, “RBG,” The film explores the life and career of U.S. Supreme Court Justice Ruth Bader Ginsburg, who, at the age of 84, has developed a breathtaking legal legacy while becoming an unexpected pop culture icon. It opens May 4 at the Angelika Film Center, Landmark 57, BAM Rose Cinemas and at the Alamo Drafthouse in Brooklyn.