Filed under: WirelessJust months after hearing that San Franciscans would be forced to deal with the collapse of a seemingly inevitable citywide WiFi access plan, wireless addicts in St. Louis will be mourning similarly. Apparently, grandiose plans laid out by AT&T this past February have now been throttled back quite a bit, as the outfit has announced that it will not be covering the city's 62-square miles with wireless internet. Instead, the firm will be "building a WiFi pilot project in the downtown core and ex