No. 91-9563. March 1, 1993. Timothy K. Kellett of Armstrong, Teasdale, Schlafly Davis, St. Louis, MO (Joan Z. Cohen of Armstrong, Teasdale, Schlafly Davis, James L. Harrison, John R. Trigg of Parcel, Mauro, Hultin Spaanstra, P.C., with him on the brief), for petitioner. Howard E. Perlstein, Atty., N.L.R.B. (Jerry M. Hunter, General Counsel, D. Randall Frye, Acting Deputy General Counsel, Aileen A. Armstrong, Deputy Associate General Counsel, with him on the brief), Washington, DC, for respondent