C. A. 8th Cir. Certiorari granted, judgment vacated, and case remanded to the Court of Appeals for further con sideration in light of that court's en banc opinion to be filed in Taggart v. Jefferson County Child Support Enforcement Unit, No. 89-2429EA, rehearing en banc granted December 11, 1990.
[RepoRTER's Note: The en banc opinion was subsequently reported at 935 F. 2d 947 (1991).]