Nos. 07-1479, 08-1009, 08-1039, 08-1081. Argued February 17, 2009. Decided April 3, 2009. On Petitions for Review and Cross-Application for Enforcement of Orders of the National Labor Relations Board. Michael T. Anderson argued the Standing and the Merits of the Board's Oil Capitol Rule for petitioner Sheet Metal Workers International Association. With him on the briefs were Arlus J. Stephens and Loren Gibson. Michael J. Stapp argued the Standing and the Merits of the Board's Oil Capitol Rule for