No. 03-72029. Argued and Submitted February 9, 2005. Filed March 17, 2006. David A. Rosenfeld (brief argued) and M. Suzanne Murphy (brief), Weinberg, Roger Rosenfeld, Oakland, CA, attorneys for the petitioner. Meredith L. Jason (argued) and David Habenstreit and Jill A. Griffin (brief), National Labor Relations Board, Washington, D.C., attorneys for the respondent. Gordon A. Letter (brief and argued), Littler Mendelson, Los Angeles, CA, attorneys for the respondent-intervenor. On Petition for Review