WINDSOR, Ont. — Once again, and $60,000 later, scientists have confirmed the existence of the mysterious "Windsor hum." The vibrations that have irritated west-end residents of Windsor, Ont., for at least two years are real — and likely coming from Zug Island, home to a U.S. Steel plant in River Rouge, Mich., across the Detroit River — according to a Canadian report released Friday in Windsor. Now, the feds hope the Americans can take over, maybe even make it stop. "The scientists have hypothesized that the (U.S. Steel plant's) blast furnace is the likely source," said Windsor MP Jeff Watson....