C. A. D. C. Cir. [Certiorari granted, 447 U. S. 920.] Motions of International Union of Electrical, Radio & Machine Workers, AFL-CIO; Mary P. Laffey et al.; and American Federation of Labor and Congress of Industrial Organizations et al. for leave to file briefs as amici curiae granted.
Justice Black-mun took no part in the consideration or decision of these motions.