C. A. 9th Cir. Motion of Brokers & Reinsurance Markets Association for leave to file a brief as amicus curiae in No. 91-1111 granted. Certiorari granted in No. 91-1111 limited to Questions 1 and 2 presented by the petition. Certiorari granted in No. 91-1128. Cases consolidated and a total of .one hour allotted for oral argument. Reported below: 938 F. 2d 919.