
    No. 72-459.
    No. 72-620.
    Sloan, Treasurer of Pennsylvania, et al. v. Lemon et al.; and Crouter v. Lemon et al.
   Appeals from D. C. E. D. Pa. [Probable jurisdiction noted, 410 U. S. 907.] Motion of National Education Assn, et al. for leave to file a brief as amici curiae granted.  