Former California Gov. Gray Davis, left, walks with Dolores Huerta, center, co-founder of the United Farm Workers of America, AFL-CIO, and Miguel Contreras, secretary/treasurer of the Los Angeles County Federation of Labor, AFL-CIO, during a rally in downtown Los Angeles, Sept. 1, 2003. Contreras, the politically powerful head of the Los Angeles County Federation of Labor, died Friday, May 6, 2005. He was 52. The cause of death was not immediately available. (AP Photo/Chris Pizzello)