
    No. 73-1231.
    No. 73-1234.
    Linden Lumber Division, Summer & Co. v. National Labor Relations Board et al.; and National Labor Relations Board v. Truck Drivers Union Local No. 413 et al.
   C. A. D. C. Cir. [Certiorari granted, 416 U. S. 955.] Motion of the Solicitor General for additional time for oral argument granted and 15 additional minutes allotted for that purpose. Respondents in No. 73-1234 also allotted 15 additional minutes for oral argument. Motion of Chamber of Commerce of the United States for leave to file a brief as amicus curiae granted.  