
    No. 77-1499.
    No. 77-1500.
    No. 77-1501.
    No. 77-1502.
    North v. United States; Walker v. United States; Pappas v. United States; and Craig v. United States.
   C. A. 7th Cir. Certiorari denied. Reported below: 573 F. 2d 455.  