uiioz , 233 F.3d 1117 (9th Cir. 2000); Hawkins I Stables , 148 F.3d 379 (4th Cir. 1998); Motley I Marathon Oil Co. , 71 F.3d 1547 (10th Cir. 1995); Christman' Brauvin Realty Advisors, Inc. , 185 F.R.D. 251 (N.D. Ill. 1999). In making that showing, blanket assertions of the privilege are not proper—the assertion must be made on a quest