C. A. D. C. Cir. [Certiorari granted, 429 U. S. 1090.] Motion of Pacific Legal Foundation for leave to file a brief as amicus curiae granted. Motion of Hans A. Bethe et al., for leave to file a brief as amici curiae in No. 76-528 granted.
Mr. Justice Powell took no part in the consideration or decision of these motions.