John Lithgow and Geoffrey Rush, Warren Buffet

Hosted by Jane Pauley. In our cover story, Ben Mankiewicz looks at how streaming has changed moviemaking and moviegoing. Also: Tracy Smith sits down with John Lithgow and Geoffrey Rush, stars of the new horror film “The Rule of Jenny Pen”; Norah O’Donnell talks with Warren Buffett about his friendship with the late Washington Post publisher Katharine Graham; and David Pogue learns how alien languages are constructed for movies and TV.