refuse to answer essentially all relevant questions. United States v. Goodwin 625 F.2d 693, 701 (5th Cir.1980)."). See also State of Washington v. DelGado, 18 P.3d 1141 (Wa. Ct. of App. Div. 2 2001)("There is a narrow exception allowing a blanket privilege where "based on its knowledge of the case and