HIS FATHER called him Sunday, for the day he was born. But he hated the name, thought it churchy and effeminate, and as soon as he was old enough, he became someone else. That was his way. At the time when we were friends, before distance and hardship and repulsion intervened, he called himself Wilson Obote. He had spent most of the first half of his life in combat, as a fighter of shifting allegiances—sometimes a government soldier, sometimes a rebel—in his country’s civil wars.