From climate change to LGBT equality, it appears harder and harder to have a fact-based conversation about concrete issues in American politics. Maybe too much information decreases our ability to recognize and process real knowledge. Or maybe there’s an insidious, multi-million-dollar campaign to promote and peddle ignorance. Dr. Robert Proctor coined the term Agnotology to describe his study of not-knowing and wrote the book Agnotology: The Making and Unmaking of Ignorance. He’ll join Welton to share his insights on what we might be seeing in American politics today. But, whatever you learn about this, this dark art is likely at play all around you.