WILMINGTON, Del. - The litigation trustee in the Chapter 11 bankruptcy of media entity Tribune Co. on Feb. 20 moved in the U.S. Bankruptcy Court for the District of Delaware for authorization to be substituted as the plaintiff in certain adversary proceedings seeking to recover fraudulent transfers pertaining to the leveraged buyout of Tribune belonging to the litigation trust (In Re: Tribune Company, No. 08-13141, Chapter 11, D. Del. Bkcy.).