In this Feb. 10, 2011 photo, snow flies over U.S. Border Patrol agent Glenn Pickering as he rides a snowmobile along the St. Lawrence River in Massena, N.Y. This is the United States� forgotten border, where federal agents and police play cat-and-mouse with smugglers and illegal immigrants along 4,000 miles of a mostly unmarked and unfortified frontier with Canada.(AP Photo/Mike Groll)
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