C. A. D. C. Cir. Certiorari in No. 79-1429 granted limited to Questions 1, 2, and 4 presented by the petition. Certiorari in No. 79-1583 granted. Cases consolidated and a total of one hour allotted for oral argument. Reported below: 199 U. S. App. D. C. 54, 617 F. 2d 636.