Example image of eyePlorer eyePlorer map for 'Employee Free Choice Act': Bill (proposed law) United States Congress National Labor Relations Act Trade union March 10 Card check United States labor law Bargaining unit National Labor Relations Board Secret ballot Collective bargaining Treble damages United States House of Representatives Cloture Motion (parliamentary procedure) United States Senate 110th United States Congress 111th United States Congress Ted Kennedy Federal Mediation and Conciliation Service (United States) Massachusetts Institute of Technology MIT Sloan School of Management AFL-CIO Injunction Barack Obama George Miller (California politician) Human Rights Watch United States House Committee on Education and Labor The Boston Globe John Kline (politician) Red Scare George McGovern Freedom of speech Richard Epstein The Wall Street Journal University of Chicago United States Chamber of Commerce Sheldon Adelson Mark McKinnon Forbes Markup (legislation) Republican Party (United States) March 1 March 30 United States Senate Committee on Health, Education, Labor, and Pensions June 26 Financial crisis of 2007–2009 Arlen Specter Ben Nelson Nebraska