Judge Roberto Castenega of Argentina, samples the aroma of one of the entries in the Semi-soft Goat's Milk Cheese category during the opening day of the World Championship Cheese Contest at the Monona Terrace Convention Center in Madison, Wis. on Monday, March 5, 2012.  More than 2,500 entries will be judged throughout the three day gathering, sponsored every two years by the Wisconsin Cheese Makers Association.   (AP Photo/Wisconsin State Journal, John Hart )
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