What you don't know -- or do know, yet choose not to believe -- CAN hurt you. We'll talk with author Michael Specter about his book 'Denialism: How Irrational Thinking Hinders Scientific Progress, Harms the Planet, and Threatens Our Lives.' Specter argues that Americans have increasingly come to mistrust institutions, especially the institution of science. When it comes to a range of issues from childhood vaccines to genetically modified foods, he argues, people increasingly have come to maintain personal beliefs even in the face of solid scientific evidence. We'll find out more.
Produced by Shelley DuBois