C. A. 8th Cir. [Certiorari granted, 439 U. S. 1065.] Motion of Kennedy Smith et al. for leave to file a brief as amici curiae granted. Motion of the Solicitor General for divided argument granted. Motion of the Attorney General of Minnesota for leave to participate in oral argument as amicus curiae granted, and 10 additional minutes allotted for that purpose. Respondents also allotted 10 additional minutes for oral argument.