
    No. 89-120.
    No. 89-122.
    No. 89-123.
    Southern Natural Gas Co. v. United States; Warrior & Gulf Navigation Co. v. United States; and Parker Towing Co., Inc. v. United States.
   C. A. 11th Cir. Certiorari denied. Reported below: 864 F. 2d 1550.  