He turned to sociology and joined Berkeley in 1967, quickly developing a reputation for thought-provoking work on drugs and social policy.
He turned to sociology and joined Berkeley in 1967, quickly developing a reputation for thought-provoking work on drugs and social policy.
他转向社会学，并在1967年加入柏克莱，由于他在成瘾药物与社会政策的研究发人深省，很快就出了名。