C. A. D. C. Cir. [Certiorari granted, 429 U. S. 1090.] Joint motion of petitioners and the Solicitor General on behalf of the federal respondents for additional time for oral argument granted and 15 additional minutes allotted for that purpose. Nonfederal respondents also allotted 15 additional minutes for oral argument.
Mr. Justice Powell took no part in the consideration or decision of this motion.