uire amendment where the addition of parties with duplicative claims will not materially advance the resolution of the litigation on the merits. See Herring v. Delta Air Lines, Inc., 894 F.2d 1020, 1024 (9th Cir. 1989). A. Rule 21 Motion Jane Doe 3 and Jane Doe 4’s first attempt to join in this proceedi

quire amendment where the addition of parties with duplicative claims will not materially advance the resolution of the litigation on the merits. See Herring v. Delta Air Lines, Inc., 894 F.2d 1020, 1024 (9th Cir. 1989). A. Rule 21 Motion Jane Doe 3 and Jane Doe 4’s first attempt to join in this proceedin