
    No. 710.
    No. 723.
    Blackburn v. United States; and Call v. United States.
    
      Larry S. Moore and Julius A. Rousseau, Jr., for petitioner in No. 710, and Franklin Smith for petitioner in No. 723.
    
      Solicitor General Griswold, Assistant Attorney General Vinson, Beatrice Rosenberg, and Paul C. Summitt for the United States in both cases.
   C. A. 4th Cir.

Certiorari denied.  