30.A.) Calvin Coolidge turns PR into Presidential Relations, an interview with David Greenberg

History remembers Calvin Coolidge as "Silent Cal," but the notoriously quiet president was also an early adopter of emerging forms of mass media, such as radio and motion picture.  Join me as I talk to historian David Greenberg, author of Calvin Coolidge and Republic of Spin: An Inside History of the American Presidency, about how Coolidge quietly became one of the more effective image manipulators of the early 20th century.Support the Show.