C. A. 4th Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of Clay*912ton v. Automobile Workers, 451 U. S. 679 (1981).
C. A. 4th Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of Clay*912ton v. Automobile Workers, 451 U. S. 679 (1981).