xceptional circumstances or a compelling need. In re Grand Jury Subpoena Duces Tecum, 945 F.2d 1221, 1224 (2d Cir. 1991); see also ? Martindell v. International Tel. and Tel. Corp. 594 F.2d 291 (2d Cir. 1979). Because the Government does not argue that the Protective Order was improvidently granted (nor could