How a professional film critic competes with social media

A.O. Scott has been the New York Times’ film critic since 2000, so it’s safe to say he knows his craft. But in a world dominated by social media, where anyone with an Internet connection can become a self-styled critic, what separates a professional from a wannabe? That’s one of the issues Scott tackles in his new book, “Better Living Through Criticism.” Jeffrey Brown talks to Scott for more.