The backlash against the late California civil rights icon Cesar Chavez has been fierce and widespread since bombshell allegations revealed Wednesday that he sexually abused children. His reputation and legacy, however, had already taken a controversial turn in the final decades before he died in 1993, making him erratic and paranoid. In the mid-to-late 1970s, Chavez befriended Charles Dederich, who founded Synanon. The organization started as a drug rehabilitation program but transformed into