In the fall of 2010, as my brother was dying of colon cancer, I learned a terrifying secret. He also had Huntington's disease, a horrific brain disorder that is passed down in families. Suddenly, even as I was losing my cherished sibling, my childhood soulmate, I was also grappling with my own possible death.
In his response to comments by me, Jon Marks and Jennifer Raff, Wade does not take on any substantive aspect of the debate; rather, he misrepresents the science again and takes a shot at our credentials as scholars. Here is a very quick response to his comments, in hopes of correcting the record and getting this debate back to the science.
Wade can't justify his first and primary point: his claim that the human racial groups we recognize today culturally are scientifically meaningful, discrete biological divisions of humans. This claim provides a direct basis for the whole second half of the book, in which he makes speculative arguments about national character.
This is an unexpected claim, because the study itself shows that the genetic test did not predict alcoholism at all; the researchers demonstrated that the predictive ability of their test was not better than tossing a coin. This incorrect interpretation of genetic prediction studies is common, unfortunately.