
    No. 830.
    International Brotherhood of Teamsters, Chauffeurs, Warehousemen and Helpers of America et al. v. United States.
    
      Herbert S. Thatcher, David Previant and Robert S. Cahoon for petitioners.
    
      Solicitor General Rankin, Assistant Attorney General Wilkey, Beatrice Rosenberg and J. F. Bishop for the United States.
   C. A. 4th Cir. Cer-tiorari denied.  