Jomo Kenyatta wore a pink rosebud in his buttonhole. Julius Nyerere was decked out in a black pajama-style suit, and Milton Obote was all smiles. Standing in the Ugandan Parliament before a carved panel that depicted crested cranes, elephants, anteaters and gazelles, the three men lifted their champagne glasses in a toast that is often heard but all too seldom practiced these days in fractious Africa. "To unity!" cried the Presidents of Kenya, Tanzania and Uganda.
The three leaders had gathered in the Ugandan capital of Kampala to sign a treaty that creates a new East African Community. Though it...