
    No. 70-74.
    Pipefitters Local Union No. 562 et al. v. United States.
   C. A. 8th Cir. [Certiorari granted, 402 U. S. 994.] Motion of American Civil Liberties Union for leave to file a brief as amicus curiae denied.

Mr. Justice Blackmun took no part in the consideration or decision of this motion.  