A recall of Boar's Head deli meat products has been widely expanded over concerns that they may be linked to a fatal listeria outbreak in the U.S., federal officials said Tuesday. Another 3,500 tons of ready-to-eat meat and poultry products sold under the Boar's Head and Old Country brands have been added to the initial recall, the U.S. Department of Agriculture said. This is in addition to approximately 103 tons of Boar's Head products that were recalled last week. The recall now includes a total of 71 products that were produced between May 10 and July 29, the USDA said....