
    No. 72-777.
    No. 72-1129.
    Cleveland Board of Education et al. v. LaFleur et al. Cohen v. Chesterfield County School Board et al.
   C. A. 6th Cir.; and

C. A. 4th Cir. [Certiorari granted, 411 U. S. 947.] Motion of the Chamber of Commerce of the United States for leave to file an untimely brief as amicus curiae denied.  