Penn Jillette, the world-famous magician (and fellow of the Cato Institute), has a saying: “Everybody got a gris-gris.” By that, Jillette means everyone has some irrational belief or superstition, something one believes even when knowing it is an unreasonable. We carry these superstitions through life like talismans, and we defend them when confronted with the cold light of reason. My gris-gris is NASA.

Read more