
    No. 74-6257.
    No. 75-5394.
    No. 75-5706.
    Gregg v. Georgia, Jurek v. Texas, Proffitt v. Florida,
   428 U. S. 153;

428 U. S. 262; and

428 U. S. 242. Petitions for rehearing denied. Order entered by Mr. Justice Powell on July 22, 1976, staying issuance of mandates in these cases is vacated.  