Alaskans must have a good sense of humor to laugh off the rigors of life in the Far North. And laugh they do, finding humor in: The animal-rights activists who hear about moose droppings and demand to know how far the moose are dropped. The practical joker in Sitka who sneaks a load of burning tires into the crater of a nearby dormant volcano, alarming the local population. The newspaper columnist who claims the best protection against bears is to...