As a fierce thunderstorm that seemed to come out of nowhere closed in, hot-air balloon pilot Edward Ristaino spotted an open field 4,000 feet below and calmly and tersely warned the five skydivers aboard the craft, "You need to get out now." He may have saved their lives, but he lost his own. With lightning spidering across the sky and the wind rocking their parachutes, the skydivers floated safely to the ground, while the balloon was sucked up into the clouds, then sent crashing to earth. Ristaino's body wasn't found until Monday, nearly three days later. "If we would...