Dozer, the lovable, 3,078-pound walrus with the 17-inch-long tusks and unmistakable whistle, is leaving Point Defiance Zoo & Aquarium mid-September. But there’s still time to bid him farewell. He’ll be featured on the marine mammal Keeper Talks at 3pm Saturday Sept. 15 and Sunday Sept. 16, the last weekend before he leaves. Dozer’s a crowd … Continued