No. 00-1443. Argued November 1, 2001. Decided April 12, 2002. Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. Donald H. Scharg argued the cause for petitioner. On the briefs were Steven J. Fishman and Thomas A. Pinch. Aileen A. Armstrong, Deputy Associate General Counsel, National Labor Relations Board, argued the cause for respondent. With her on the brief were Arthur F. Rosenfeld, General Counsel, John H. Ferguson, Associate General Counsel