The Steel Seizure Case: Briefs for the Government and the Companies and the Record Filed in the Supreme Court of the United States in the Steel Seizure Case (The Youngstown Sheet and Tube Company, Et Al. Vs. Charles Sawyer, Nos. 744, 745) Including Such Briefs for the United Steelworkers of America, CIO, and the Brotherhood of Locomotive Engineers, Et Al., as Amici Curiae