447 U.S. 490 447 U.S. 490 100 S.Ct. 2305 65 L.Ed.2d 289 NATIONAL LABOR RELATIONS BOARD, Petitioner,v.INTERNATIONAL LONGSHOREMEN’S ASSOCIATION, AFL-CIO, et al. No. 79-1082. Argued April 22, 1980. Decided June 20, 1980. Syllabus This case presents the question whether Rules on Containers (Rules) in a collective-bargaining agreement between the International Longshoremen’s Association (ILA) and employer […]