Appeals from D. C. N. D. Ill. That portion of judgment appealed from in No. 789 affirmed. Those portions of judgment appealed from in Nos. 793, 794, and 797 reversed and. cases remanded to the United States District Court for the Northern District of Illinois for further proceedings. United States v. City of Chicago, ante, p. 8. Reported below: 314 F. Supp. 886.