No. 03-2734. Heard September 14, 2004. Decided December 23, 2004. Petition for the review of National Labor Relations Board. Julio I. Lugo-Munoz, with whom Lespier, Munoz Noya Rivera, was on brief, for petitioner. Ruth E. Burdick, Attorney, with whom Robert J. Englehart, Supervisory Attorney, Arthur F. Rosenfeld, General Counsel, John E. Higgins, Jr., Deputy General Counsel, John H. Ferguson, Associate General Counsel, Aileen A. Armstrong, Deputy Associate General Counsel, were on brief, for respondent