
    No. 89-1873.
    No. 89-2027.
    No. 90-4.
    Maryland Higher Education Loan Corporation v. Cavazos, Secretary of Education, et al.; South Carolina State Education Assistance Authority v. Cavazos, Secretary of Education, et al.; and North Carolina et al. v. United States et al.
   C. A. 4th Cir. Certiorari denied. Reported below. 897 F. 2d 1272.  