C. A. 3d Cir. [Probable jurisdiction noted, 449
U. S. 949]; and
C. A. 3d Cir. [Certiorari granted, 449 U. S. 950.] Motion of ERISA Industry Committee for leave to file a brief as amicus curiae in No. 80-193 granted. Motions of Chamber of Commerce of the United States of America, Allegheny-Ludlum Industries, Inc., et al., and National Steel Corp. for leave to file briefs as amici curia# granted. Joint motion of petitioners in No. 80-193 and appellants in No. 79-1943 for divided argument granted.