
    No. 535.
    United States v. Catto et al.
    
      Solicitor General Marshall, Acting Assistant Attorney General Jones, Acting Assistant Attorney General Roberts, Jack S. Levin and Melva M. Graney for the United States.
    
      Ben F. Foster for Catto et al., and Claiborne B. Gregory for Wardlaw et al., respondents.
   C. A. 5th Cir. Certiorari granted.  