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Comments by the eminent biologist James Watson concerning intelligence test data from sub-Saharan Africa resulted in professional sanctions as well as numerous public condemnations from the media and the scientific community. They justified these sanctions to the public through an abuse of trust, by suggesting that intelligence testing is a meaningless and discredited science, that there is no data to support Dr. Watson's comments, that genetic causes of group differences in intelligence are falsified logically and empirically, and that such differences are already accounted for by known environment factors.