I feel sorry for the kids today who are taking geography in school for the first time. When I was in school, unless you got really interested in the history of Iraqi Kurdistan, there was a chance you could get all the way through geography class without ever having to know learn to spell Sulaymania.

A former South African paramilitary commander looks across his dining room table into the interviewer's camera. He is in his early sixties, overweight, with short gray hair. He wears glasses and a polo shirt. It's late morning. He explains: "We were at war. We believed that if the Blacks were...