It started on a quiet Wednesday night, with PlayStation gamers finding their Network unresponsive to their login attempts, and now continues well into its third day. Sony has now finally shed some light on the problems it's been having with PSN and, to nobody's surprise, the culprit for its troubles has been identified as "an external intrusion." The current downtime for PSN is the second of its kind this month, with the Anonymous group of online crusaders claiming responsibility for the first. Sony now intends to keep