A court ordered revealing of IP info would be sweet once the papers are served. WAPO would definately be pushing for closed door courts on the matter to save face (while leaking just what the want to be heard to friendly press comrades).
It would be sweet. The court would have to find out for certain that Mosk was not MD4Bush to act. I don't think WP could get a "Closed door court", but Grand Jurys are like that.