When he wrote the memo OKing torture, he became a war criminal, and he needs to stand trial, be convicted, and spend the rest of his life in jail.
Fortunately for him, the ICC in the Hauge doesn’t do waterboarding.
FWIW, if that man were janitor at a school, it would be an embarrassment. The fact that he is tenured faculty in the UC Berkley Law Department is repugnant.