13. August 2002 As chairman of an influential industry group charged with monitoring standards for wireless networking, Dennis Eaton is eagerly sought out by would-be Wi-Fi entrepreneurs for his stamp of approval. But though this Wi-Fi seal of interoperability is considered de rigueur for wireless networking, the industry is in the middle of a tug-of-war, says Eaton, chairman of the Wireless Ethernet Compatibility Alliance. Look closer on News