Journalist Bart Gellman is the author of the new book, "Dark Mirror: Edward Snowden and the American Surveillance State." Jack Goldsmith sat down with Gellman to discuss the book. They spoke about Gellman's reporting on the Snowden affair, the scope of the National Security Agency's surveillance capabilities and press freedom as it relates to national security reporting. See acast.com/privacy for privacy and opt-out information.