“What happened was a catastrophic revolution that really ate its own bright people. The very people who were behind the revolution were the ones who were its victims," Prince Ermias Sahle Selassie has said on the 1974 Marxist revolution that overthrew his grandfather, Ethiopia's Emperor Haile Selassie. I had the rare opportunity to interview Prince Ermias Sahle Selassie, president of the Crown Council of Ethiopia, and the grandson of Ras Tafari, Emperor Haile Selassie. In my discussion, I heard a first-hand account of the mortal dangers of populations adopting a socialist revolution that we...