GRANBY ZOO ape escape An enterprising mayor of the city of Granby, Quebec, a community south of Montreal, established a municipal zoo that has become a significant tourist attraction. It has also given rise to many unusual events. Last September one of the star attractions, Arnold, an Indonesian ape, escaped to the dismay of the zoo director. The matter was a serious one because the members of the staff of the zoo, while expert at caring for animals, had had no experience whatever in rounding th…