A whale-watching tour in Victoria, British Columbia, is an exhilarating experience, especially in an open-air Zodiac boat.   A clear, sunny day is preferable. The steep mountains and pine forests surrounding this city on beautiful Vancouver Island create a breathtaking backdrop for the Salish Sea. But even my tour on a rainy, cold day proved that this Canadian city is one of the best places in the world to see whales in the wild.   My whale-watching tour was arranged as part of a cruise...