Robert F. Kennedy (D-N.Y.); and of his own father, Cesar Chavez, who had co-founded the United Farm Workers. The elder Kennedy had grown close to the labor icon in the years before the senator's ...

One of Robert Kennedy's least glamorous ... Then he spent a day with Cesar Chavez. "By the end of the day, Kennedy had embraced Chavez and La Causa," writes biographer Arthur Schlesinger.