Headline: Cómo se volvieron irrelevantes las grandes federaciones sindicalesPublication Date: Tuesday, March 1, 2011Primary Source: Diario Siglo XXI (Spain)Non-Cato Author: Robert J. SamuelsonType: articleFormat: Newspaper (Print)Nature of Mention: mentionedScholar: Edwards, ChrisResearch Area: Immigration and Labor MarketsSubjects: public unions and the situation in Wisconsin