In a recent National Geographic article about good and evil (January 2018), the steps leading up to genocide are discussed. How do these horrors happen? The Armenians in Turkey, Jews in Nazi Germany, Cambodians slaughtering Cambodians in the killing fields, Rwanda tribal massacres, and ISIS atrocities world-wide, to name a few, in which hundreds of thousands or millions of people have been systematically exterminated.

The first step, according to this intelligent and thorough article, begins when demagogic leaders define a target group as “the other” and claim it is a threat to loyal supporters. Discrimination follows. Leaders then characterize their targets as subhuman, eroding the in-group’s empathy for “the other.”