C. A. 7th Cir. [Certiorari granted, 434 U. S. 1061.] Motions of Gray Panthers and PROD et al. for leave to file briefs as amici curiae granted. Motions of AFL-CIO, the Solicitor General, and Stephen W. Holohan for leave to file briefs as amici curiae denied. Motion of American Bar Assn, for reconsideration of the July 3, 1978, order [438 U. S. 913] denying leave to file a brief as amicus curiae denied.