When people learn that Pedro Ordenes, 55, has swum to or from Alcatraz 126 times, or that he crossed the Strait of Magellan in 39-degree water, they often joke about his sanity. That's before they hear about his idea to swim the Bering Strait.
"Traffic," Bar Pilot Donald Hughes barks. "I need some help." The tanker Mundogas Europe has just lost her steering beneath the Golden Gate Bridge, and if the anhydrous ammonia she's carrying hits the water a toxic cloud could cloak San Francisco. A di