C. A. D. C. Cir. [Certiorari granted, 423 U. S. 945.] Motion of Commonwealth Edison Co. for leave to file a brief as amicus curiae denied.
C. A. D. C. Cir. [Certiorari granted, 423 U. S. 945.] Motion of Commonwealth Edison Co. for leave to file a brief as amicus curiae denied.