Workers who organize in the public square: A comparison of Mexican and U.S. organizing models Hugo Sarmiento, University of California Los Angeles Chris Tilly, University of California Los Angeles Enrique de la Garza Toledo, Universidad Autónoma Metropolitana-Iztapalapa José Luis Gayosso Ramírez, Universidad Autónoma Metropolitana-Iztapalapa Contact: tilly@ucla.edu July, 2013 Thanks to UC-Mexus for its financial support, and to the organizations who participated in the study. 1