No. 79-2265. Argued December 5, 1980. Decided August 5, 1983. Rehearing En Banc Granted October 6, 1983. Opinion and judgment vacated. Isidore Silver, New York City, a member of the Bar of the Supreme Court of New York, pro hac vice, by special leave of court, with whom Alan Dranitzke, Washington, D.C., was on the brief, for appellant. A. Daniel Feldman, Chicago, Ill., for appellees. Ronald A. Jacks, Chicago, Ill., also entered an appearance for appellees. Appeal from the United States District Court