circa 1973: Labor rights leader Cesar Chavez (third from right) and Coretta Scott King (fourth from right) leading a lettuce boycott march down a street in New York City. They are holding placards. (Photo by Bob Parent/Hulton Archive/Getty Images)
circa 1973: Labor rights leader Cesar Chavez (third from right) and Coretta Scott King (fourth from right) leading a lettuce boycott march down a street in New York City. They are holding placards. (Photo by Bob Parent/Hulton Archive/Getty Images)