He recently commented on Watson's comments. As a bioethicist, not a psychometric expert, all he said was:
"Finally, no matter what the facts on race and intelligence turn out to be, they will not justify racial hatred, nor disrespect for people of a different race. Whether some are of higher or lower intelligence has nothing to do with that."
Which is fair. But, from an animal rights advocate, we have to question what he means by treating all races with equal respect.