PITTSBURGH - Proponents of the Chapter 11 reorganization plan of Pittsburgh Corning Corp. (PCC) on June 4 filed a brief in the U.S. Bankruptcy Court for the Western District of Pennsylvania objecting to a motion filed by two insurance companies that seek a case management order (CMO) to conduct discovery into the feasibility of the proposed Chapter 11 reorganization plan (In Re: Pittsburgh Corning Corporation, No. 00-22876, Chapter 11, W.D. Pa. Bkcy.). Subscribers may view the brief available within the full update.