No. 98-2592 Argued: May 6, 1999 Decided: September 23, 1999 On Application for Enforcement of an Order of the National Labor Relations Board. (5-CA-27611) ARGUED: J. Michael McGuire, SHAWE ROSENTHAL, Baltimore, Maryland, for Petitioner. Richard A. Cohen, Senior Attorney, NATIONAL LABOR RELATIONS BOARD, Washington, D.C., for Respondent. ON BRIEF: R. Michael Smith, SHAWE ROSENTHAL, Baltimore, Maryland, for Petitioner. Frederick L. Feinstein, General Counsel, Linda Sher, Associate General Counsel, John