The program is about an hour. Was it a chicken in a and that a type of thing . It starts with an interest to look back at the 1970s and arriving at the Environmental Movement what were these successes and accomplishments of that era of Environmental Activism . And what were some of the limitations and constraints . And the backlash against it within the country in terms of clash between liberals and conservatives i thought it was the right story to be told. Host when you look at what is happening currently in congress or out of the Obama Administration what lessons do you think the story of paul erlich and julian simon hold for this generation in today . Fiftyseven. Guest there are one number that may be i should say that first. Paul erlich author of the books the population bomb in 1968 that famously predicted we were in danger of global famine and ecological disaster and warfare and then to question then is that human ingenuity and creativity in markets would allow us to avert these