Teaming up with Celebrity Chef G. Garvin and Six of the Nation’s Largest Food Companies, the Campaign will Provide $3.7 Million in Donations to Feeding America Food Banks Across the United States BENTONVILLE, Ark., 2014-9-16— /EPR Retail News/ — Today (Sept.15, 2014), the Walmart Foundation launches Fight Hunger. Spark Change., a nationwide campaign calling on the public…