I used to believe that you could find out what is true by finding the smartest people and finding out what they think. However, the most brilliant people keep turning out to be wrong. Linus Pauling's ideas about Vitamin C are fresh in mind, but the famous physicist Lord Kelvin did more harm in 1900 with calculations based on the rate of earth's cooling that seemed to show that there had not been enough time for evolution to take place. A lot of the belief that smart people are right is an i...