Walmart department manager Karren Gomes helps stock shelves with school supplies as the retail store prepare for back to school shoppers in San Diego, California August 6, 2015. REUTERS/Mike Blake/File Photo
Walmart department manager Karren Gomes helps stock shelves with school supplies as the retail store prepare for back to school shoppers in San Diego, California August 6, 2015. REUTERS/Mike Blake/File Photo