C. A. 4th Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of United States v. Larionoff, 431 U. S. 864 (1977).
C. A. 4th Cir. Certiorari granted, judgment vacated, and case remanded for further consideration in light of United States v. Larionoff, 431 U. S. 864 (1977).