
    No. 72-1679. No. 76-6983. No. 77-5676.
    Hackett, Director, Department of Employment Security of Rhode Island, et al. v. Grinnell Corp., Keefer v. Pennsylvania, and Beard v. Estelle, Corrections Director,
   414 U. S. 879;

434 U. S. 1009;

434 U. S. 1019.

Motions for leave to file petitions for rehearing denied.  