After Race's Balmy Start, Death on Roiling Sea
Neil MacFarquhar reports on how 54th annual Sydney-to-Hobart yacht race, one of five great ocean races in world, began in balmy, sunny weather in Sydney harbor, but within hours turned to disaster, with hurricane-force winds and mountainous seas slamming into boats; by time it was over, several yachts had sunk and at least four yachtsmen had died; two more are presumed dead; some explanations for catastrophe reviewed; photos (L)
