No. 01-2894. Argued April 16, 2002. Decided October 29, 2002. Appeal from the Court of Appeals, Coffey, Circuit Judge. Elizabeth Kinney, National Labor Relations Board, Region 13, Chicago, IL, Aileen Armstrong, Usha Dheenan (Argued), National Labor Relations Board, Office of the General Counsel, Washington, DC, for Petitioner. Robert E. Bloch (Argued), Dowd, Bloch Bennett, Chicago, IL, for Intervenor. James F. Hendricks (Argued), Fisher Phillips, Chicago, IL, for Respondent. Before CUDAHY, COFFEY