Holding that the NLRB was not conducting "improper pre-trial discovery" by issuing investigative subpoenas because it "was merely exercising its congressionally authorized investigative powers, nothing more."
Determining that a cross-application was not a compulsory counterclaim, and that the district court correctly dismissed the cross-application for lack of jurisdiction after considering federal law
In Cudahy Packing, supra, we held that the only limitation "upon the power of the Board to compel the production of documentary or oral evidence is that it must relate to or touch the matter under investigation or in question.