University of California patient care workers hold signs during a strike to demand for better contracts in Santa Monica, California May 22, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS EMPLOYMENT EDUCATION HEALTH CIVIL UNREST)
University of California patient care workers hold signs during a strike to demand for better contracts in Santa Monica, California May 22, 2013. REUTERS/Mario Anzuoni (UNITED STATES - Tags: BUSINESS EMPLOYMENT EDUCATION HEALTH CIVIL UNREST)