National Public Radio: A Danish shipping company announced Friday the first-ever voyage of a large commercial freighter through the Northwest Passage a journey made possible by the disappearance of Arctic ice due to global warming. The 75,000-ton Nordic Orion, en route from Vancouver, Canada, to a port in Finland, completed the polar route this week and is scheduled to arrive at its destination, the Finnish port of Pori, on Oct. 7, . The ship is delivering coal to Ruukki Metals, a Finnish steel producer. The news comes...