Two House Democrats said in a letter to Wal-Mart Stores Inc.'s (WMT) chief executive that they have "obtained internal company documents" that suggest the company's Mexico affiliate may have had "questionable financial behavior," Reuters reported Tuesday. Reps. Elijah Cummings and Henry Waxman said in the letter to Michael Duke that the company has "failed to provide the documents we requested," Reuters reported. The lawmakers said documents including audit reports were obtained from other sources. A Wal-Mart spokesman had no immediate comment, the report said. Full story at http://www.reuters.com/article/2012/08/14/us-walmart-bribery-idUSBRE87D0ZH20120814 Write to nymonitoring@dowjones.com Subscribe to WSJ: http://online.wsj.com?mod=djnwires