Primo Levi, a Holocaust survivor of Italian origin who led a distinguished life, was at the Auschwitz concentration camp hospital one day due to high fever caused by an infectious disease. He later wrote in his memoirs that when confronted with Soviet soldiers: "They neither greeted nor smiled; they seemed to be tormented by the guilt of why this crime had to happen." The trial of one of the perpetrators of another heinous crime, the massacre of 30,000 Iranian political prisoners in 1988, is currently taking place in a Swedish court. What happened in 1988 was a ruthless, bloody, and...