
    No. 509.
    City of Tacoma v. Taxpayers of Tacoma, Washington, et al.
    
      Solicitor General Rankin for the Federal Power Commission, movant.
   Certiorari, 355 U. S. 888, to the Supreme Court of Washington. The motion of the Solicitor General for leave to participate in oral argument, as amicus curiae, is granted and one-half hour is allowed for that purpose.  