"If a ball comes to rest within dangerous proximity to a crocodile," runs one of the ground rules at a golf club in Uganda, "another ball may be dropped." Crocodiles have always been a hazard in equator-straddling Uganda, but until recently the creatures have stayed pretty close to the territory's lakes, swamps and rivers. Last week they were crawling all over the place. "Look out," a newly posted notice warned motorists on a roadside in Mubende. "Crocodiles are lying in wait for you."
According to native superstition, the trouble began in Sacred Crocodile Lake, where, 60 years or more ago, King...