If you've ever dreamed of sailing the skies in a World War II bomber, there may be no time like the present in Tucson. But it'll cost ya. Four vintage bombers will touch down in the city in April, offering rides at about $400 a pop. The events are sponsored by two nonprofit foundations that use the money to help keep the rare old warplanes running. The Old Pueblo has become a favorite stopover for such outfits because our warm-weather city has all the attributes they look for. "Tucson is a hot spot because it has so many retirees and...