The National Park System in the United States is the first of its kind in the world. In August, 1916, President Woodrow Wilson signed what's called The Organic Act. The move created the National Park Service, which would regulate all federal lands set up as parks, monuments and reservations. Our July guest is Don Barger. He is the Southeast Regional Director for the National Parks Conservation Association, an organization that serves as advocate for the National Park Service and for the lands that the Service protects. Chrissy Keuper hosts... 