376 U.S. 247 376 U.S. 247 84 S.Ct. 773 11 L.Ed.2d 680 LOCAL UNION NO. 721, UNITED PACKINGHOUSE, FOOD AND ALLIED WORKERS, AFL-CIO, Petitioner,v.NEEDHAM PACKING CO., d/b/a Sioux City Dressed Beef. No. 102. Argued Feb. 20, 1964. Decided March 9, 1964. Richard F. Watt, Chicago, Ill., for petitioner. Alfred L. Scanlan, Washington, D.C., for respondent. […]