EDMONTON — The WNBA exhibition scheduled for next month at Edmonton's Rogers Place has been rescheduled to accommodate a potential Game 7 in the Oilers' first-round NHL playoff series against the Los Angeles Kings. The pre-season game between the Los Angeles Sparks and the Seattle Storm had originally been scheduled for Sunday, May 5. However, when the NHL released its playoff schedule, it had a potential deciding game in the series scheduled for the same day. The NBA says the WNBA game has been