Today, Walmart launches its “Fight Hunger. Spark Change.” campaign, a nationwide initiative that encourages the public to join the fight against hunger. Working with Discover card and five suppliers, which represent some of the nation’s leading food companies – Campbell Soup Company, General Mills, Kellogg Company, The Kraft Heinz Company and PepsiCo – Walmart is offering three easy ways to take action against hunger and help a local Feeding America food bank through social, online and in-store participation.