In a Feb. 17, 2009 file photo, shoppers leave a Wal-Mart in Danvers, Mass.
In a Feb. 17, 2009 file photo, shoppers leave a Wal-Mart in Danvers, Mass. Lisa Poole AP
In a Feb. 17, 2009 file photo, shoppers leave a Wal-Mart in Danvers, Mass. Lisa Poole AP