We live in an age of ideology, propaganda, and tribalism. Political conformity is enforced from many sides; the insidious social control that John Stuart Mill called "the tyranny of the prevailing opinion and feeling." Liberal or left-minded people are often more afraid of each other than of their conservative or right wing opponents. Social media and call-out-culture makes it easier to name, shame, ostracize and harass non-conformists, and destroys...