BBQ fans, brace yourselves: "Pork butt" will soon be a thing of the past. In an effort to boost sales just ahead of the U.S. grilling season, and make shopping at the meat counter a bit easier, the pork and beef industries are retooling more than 350 names of meat cuts to give them more sizzle and consumer appeal. The revised nomenclature emerged after two years of consumer research, which found that the labels on packages of fresh cuts of pork and beef are confusing to shoppers, said Patrick Fleming, director of retail marketing for trade group National Pork Board....