A lot of people are scurrying around the normally quiet Arctic territories of Canada this month. Diamond miners are hard at work. Oil executives are applying to build a massive natural-gas pipeline south from the Mackenzie Delta. Scientists from nine countries are completing a yearlong study of the melting ice-pack. Canada's prime minister, Paul Martin, made a hurried trip last week to negotiate with the premiers of the Yukon, Nunavut and Northwest Territories. To cap it all, since August 12th the Canadian armed forces have been staging the largest exercise the Arctic that anyone can remember.
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