
    Nos. 580 and 581.
    International Union, U. A. W., A. F. of L., Local 232, et al. v. Wisconsin Employment Relations Board et al.
    
      J. Albert Woll and Herbert S. Thatcher for petitioners.
    
      John E. Martin, Attorney General of Wisconsin, and Stewart G. Honeck, Deputy Attorney General, for the Wisconsin Employment Relations Board, respondent. Edgar L. Wood, Richard H. Tyrrell and Bernard V. Brady for the Briggs & Stratton Corp., respondent.
   Supreme Court of Wisconsin. Certiorari granted.  