
    No. 73-434.
    No. 73-435.
    No. 73-436.
    Milliken, Governor of Michigan, et al. v. Bradley et al.; Allen Park Public Schools et al. v. Bradley et al.; and Grosse Pointe Public School System v. Bradley et al.
   C. A. 6th Cir. [Certiorari granted, 414 U. S. 1038.] Motion of the Solicitor General for leave to participate in oral argument as amicus curiae granted and a total of 15 minutes allotted for that purpose. Motion of National Education Assn, for leave to file a brief as amicus curiae granted.  