The program all about TV. Our guests: Mike Gunton, executive producer of Life Story on Discovery Channel, the first network TV series filmed in ultra high-definition, and Mark Herzog, Emmy-winning executive producer of CNN's The Seventies. Plus reflections on the life and accomplishments of Ralph Roberts, cable industry pioneer and co-founder/former chief executive of Comcast, the nation's largest cable/multichannel service provider, who passed away June 18.