Photo: © 2015 Mary Murphy and Company LLC New York's PBS flagship station THIRTEEN is all over the release of Harper Lee's "Go Set a Watchman," her much anticipated follow-up novel to "To Kill A Mockingbird". THIRTEEN Days of Harper Lee is a 13-day, multi-platform event celebrating the release of "Go Set a Watchman" that runs through Friday, July 17. As part of the festivities Harper Lee: American Masters documentary filmmaker and author Mary McDonagh Murphy met with Harper Lee and company on June 30, 2015, in Monroeville, Alabama prior to the publication of Lee’s second novel, Go Set a Watchman. In an American Masters web...