By Gary M. Galles

As someone who has studied public policy for decades, I have frequently been struck by how many people are so committed to their favorite ism or “answer” on an issue that they will ignore powerful contradictory analysis and evidence that is only a couple easy keystrokes away, or even when it is right in front of them.

A good example of this willful ignorance is the frequency with which opponents of capitalism reiterate dog-eat-dog, “survival of the fittest,” and jungle as descriptors when they open their cornucopia of calumny...