C. A. 3d Cir. [Certiorari granted, 415 U. S. 912.] Motion of Public Service Commission of New York for leave to .file a brief as amicus curiae granted.
C. A. 3d Cir. [Certiorari granted, 415 U. S. 912.] Motion of Public Service Commission of New York for leave to .file a brief as amicus curiae granted.