C. A. 4th Cir. [Certiorari granted, 409 U. S. 1124.] Motion of the Solicitor General for leave to participate in oral argument as amicus cuñae in support of respondents granted and 15 minutes allotted for that purpose. Counsel for petitioners hereby allotted 15 additional minutes for oral argument.
Mr. Justice Powell took no part in the consideration or decision of this motion.