Legends and bits of evidence tell a story of Asians arriving here long, long ago. Part one of two. "Even pale ink is better than memory." -- Chinese proverbAs the tide creeps over the sand flats of Pachena Bay south of Bamfield, it brings ashore the flotsam of the Pacific that -- on occasion -- hints at extraordinary travels and a mystery of historic proportions. Amid the kelp, in decades past, hundreds of green-glass fishing floats would arrive intact on the Vancouver Island coast, having ridden the powerful Japanese Current in year-long transits from Asia. But on rare occasions, entire...