NEW YORK - Marine biologists were standing watch on Tuesday over a young whale that lost its way in New York harbor and nearly wandered into a narrow waterway notorious for industrial pollution. The animal, described as a juvenile minke whale about 15 feet long, was cruising around Gowanus Bay, the outlet from the mile-long Gowanus Canal in Brooklyn. It appeared to be in good health and not distressed, said Kim Durham, rescue program director for the Riverhead Foundation for Marine Research. The foundation, based in Riverhead, N.Y., specializes in cases involving whales, dolphins, seals and sea turtles. Durham and...