** FILE** In a file photo residents of a Miramar, Fla. community show their opposition to a planned Wal-Mart super store, Thursday, May 12, 2005. Under a barrage of criticism that Wal-Mart Stores Inc. is bad for the overall economy, the world's largest retailer is taking a fresh _ and public _ look at itself. In an unusual move, the world's largest company is sponsoring on Friday, Nov. 5, 2005, a gathering of noted economists who will debate the company's impact on the economy and individual communities. (AP Photo/J. Pat Carter)