Michael Shermer is the founding publisher of Skeptic magazine, a columnist for Scientific American and a professor at Claremont Graduate University. Shermer’s latest book is The Believing Brain. He received his B.A. in psychology from Pepperdine University, M.A. in experimental psychology from California State University, Fullerton, and his Ph.D. in the history of science from Claremont Graduate University.
To understand why our political process is so tribal, we need to go back to our hunter-gatherer days