
    No. 71-1082.
    No. 71-1545.
    No. 72-6133.
    Askew, Governor of Florida, et al. v. American Waterways Operators, Inc., et al., Butz, Secretary of Agriculture, et al. v. Glover Livestock Commission Co., Inc., Landis v. United States,
   411 U. S. 325;

411 U. S. 182; and

411 U. S. 935. Petitions for rehearing denied.  