![Progressive Commentary Hour show](https://d3dthqtvwic6y7.cloudfront.net/podcast-covers/000/039/356/small/progressive-commentary-hour.jpg)
Summary: With Lawrence Joseph, author of Solar Cataclysm: How the Sun Shaped the Past and What We Can Do to Save Our Future, and Dr. Robert Schoch, PhD, professor of Geology and author of Forgotten Civilization: The Role of Solar Outbursts in Our Past And Future.