Also

* NBC said it would become the first broadcast news organization to offer news programming for sale for viewing on computers and iPods through Apple Computer Inc.’s iTunes service.

* A federal judge has set a sentencing hearing Aug. 11 for Thomas Coughlin, the former No. 2 executive at Wal-Mart Stores Inc., who pleaded guilty in January to fraud and tax charges for stealing money, gift cards and merchandise from the world’s largest retailer.

* Tenet Healthcare Corp. said it had hired Biggs C. Porter, a vice president and corporate controller at Raytheon Co., as chief financial officer.