Hugo Black,
International Association of Machinists v…
“ The use of union dues to promote relevant and effective means of realizing the purposes for which unions exist does not constitute a utilization of dues 'as a cover for forcing ideological conformity' in any fair reading of those words. It will come as startling and fanciful news to the railroad unions and the whole labor movement that in using union funds for promoting and opposing legislative measures of concern to their members they were engaged in under-cover operations. ”
