Memorandum from Williams to Greenberg, Nabrit, Ralston, Johnston, Sherwood, Lann Lee, Patterson, Wright, Lief, Winter, and Liebman; Brief in Support of Defendants' Motion to Quash Subpoenae or in the Alternative for a Protective Order; Plaintiffs' Response to Defendants' Motion to Quash Subpoenae or in the Alternative for a Protective Order; Order