
    No. 422.
    Office Employes International Union, Local No. 11, AFL-CIO, v. National Labor Relations Board,
   353 U. S. 313. Motion of International Brotherhood of Teamsters et al. for leave to file petitions for rehearing of the order denying motion for leave to intervene, 353 U. S. 904, and for rehearing of the case on the merits denied.  