Nos. 97-2721, 98-1085 Argued: June 3, 1998 Decided: April 9, 1999 On Petition for Review and Cross-Application for Enforcement of an Order of the National Labor Relations Board. (5-CA-24369, 5-CA-24618, 5-RC-14036) ARGUED: Paul Michael Thompson, HUNTON WILLIAMS, Richmond, Virginia, for Petitioner. Jill Ann Griffin, NATIONAL LABOR RELATIONS BOARD, Washington, D.C., for Respondent. George Wiszynski, BUTSAVAGE ASSOCIATES, P.C., Washington, D.C., for Intervenor. ON BRIEF: Michael P. Oates, HUNTON WILLIAMS