No. 86-1627. Argued December 11, 1986. Decided June 19, 1987. Karl W. Grabemann, McDermott, Will Emery, Chicago, Ill., for petitioner. John Burgoyne, Elliott Moore, N.L.R.B., Washington, D.C., William A. Widmer, III, Carmell, Charone, Widmer Mathews, Ltd., Chicago, Ill., for respondents. Petition from the National Labor Relations Board. Before BAUER, Chief Judge, COFFEY and EASTERBROOK, Circuit Judges. COFFEY, Circuit Judge. On appeal, petitioner Kankakee-Iroquois County Employers' Association ("KICEA")