315 U.S. 50 315 U.S. 50 62 S.Ct. 445 86 L.Ed. 671 UNITED STATES et al.v.N. E. ROSENBLUM TRUCK LINES, Inc. SAME v. MARGOLIES. Nos. 52 and 53. Argued Dec. 16, 17, 1941. Decided Jan. 19, 1942. Appeals from the District Court of the United States for the Eastern District of Missouri. Messrs. Francis Biddle, […]