In re:  Touch America Holdings, Inc., et al; Adversary:  Brent Williams as Plan Trustee for TouchAmerica Holdings, Inc., and its Affiliated Debtor Entities v. AT&T Corp., Zayo Group, LLC as Successor by Merger to 360 Networks Corporation -- Memorandum and Order Denying AT&T Corporation's Motion to Dismiss the Trustee's Complaint for Declaratory Relief