There is a growing wave of anti-rationalism that has been destroying respect for expertise and undermining our institutions, preventing rational debate. It is spreading an epidemic of misinformation, which threatens to weaken the very foundations of our democracy. Tom Nichols, a Professor of National Security Affairs at the U.S. Naval War College, discusses his latest book on this subject: “The Death of Expertise and the Campaign Against Established Knowledge.” If you’re an anti-vaxxer, an Obama birther, a 9/11 Truther, or if you believe there really are aliens at Roswell, you need to listen to this show.