
    No. 00-1307.
    Massanari, Acting Commissioner of Social Security v. Sigmon Coal Co., Inc., et al.
   C. A. 4th Cir. [Certiorari granted sub nom. Halter v. Sigmon Coal Co., Inc., 532 U. S. 993.] Motion of the Solicitor General for divided argument and to allow United, Mine Workers of America Combined Fund leave to participate in oral argument as amicus curiae granted.  