
    No. 917.
    No. 981.
    Denver Union Stock Yard Co. v. Producers Livestock Marketing Association; and Benson, Secretary of Agriculture, v. Producers Livestock Marketing Association.
    
      Winston S. Howard, Ashley Sellers, Albert L. Reeves, Jr. and Jesse E. Baskette for petitioner in No. 917. Robert L. Farrington, Neil Brooks and Donald A. Campbell for petitioner in No. 981. Had-lond P. Thomas for respondent.
   C. A. 10th Cir. Certiorari granted.  