
    No. 510.
    Friedberg v. United States.
    
      Robert N. Gorman and Stanley A. Silversteen for petitioner.
    
      Robert L. Stern, then Acting Solicitor General, Assistant Attorney General Holland, Ellis N. Slack and David L. Luce for the United States.
   Petition for rehearing granted. The order denying certiorari, ante, p. 916, is vacated and petition for writ of certiorari to the United States Court of Appeals for the Sixth Circuit granted.  