Hey Lex, I sense that you had your doubts about many of the conclusions your guest came to but made every attempt to stay respectful.  Apart from him having the personality of a goldfish and being about as inspirational as a pothole, he is actually just plain wrong on many accounts.  I am now burdened with the task of attempting to undo much of the miseducation your guest is responsible for.  You see, when one states that there are 52 million people in America with IQs below 85, state qualitatively that there is an IQ gap between blacks and whites and that “the studies have been done and show that early childhood intervention for underprivileged blacks doesn’t work” it seems pretty clear that you are creating a narrative; there is only one conclusion for the casual viewer who doesn’t know the first thing about statistics to arrive at: the conflation of being black with being abjectly unteachable.  Now Lex, I am sure this wasn’t your intended takeaway from this, but I just want you to know how it comes across.  So now lets dive in.  I’m a black man with two masters degrees and an MD, who is married to a black women with a masters degree and an MD.  I’m a surgeon and my wife is in one of the most competitive subspecialities in all of Medicine, reproductive endocrinology and infertility.  Beyond that, we both represent the first generation in our respective families with at least a college education.  One of my grandmothers was illiterate, not because she didn’t have the capacity to learn, but because she was robbed of the opportunity to do so.  I have 3 siblings, two of whom are physicians and one who is a lawyer; all three of them also have masters degrees.  I share those details with pride because it represents how far we have come in just two generations.  We are what happens when opportunity meets a prepared mind and there are many, many more black people all around the world that have stories just like ours.  Hope and faith are powerful agents; you are who you believe you are and you ultimately become who you believe you will become.  So I ask you to do some soul searching and contemplate the following questions tonight, exactly what was the point of this interview? What actionable information was derived from this? Who did you hope to inspire with this? Statistics in the wrong hands is dangerous and is akin to a loaded weapon; it has enabled countless fools to spread seductive false gospels with great conviction.  I have taken more semesters of statistics than most and so will share two old adages from the statistics community: “There are lies, damn lies and then there are statistics”. “All statistics are wrong, but some are useful.”  I kid you not, I can prove with statistical significance that their is an association between your choice of pizza toppings and whether it rains or not tonight…these studies have actually been done, just to demonstrate how garbage data leads to garbage conclusions.  The alleged IQ race gap that your guest cites represents one of the core tenets of far right and white supremac%&amp;%s groups. The hubris to say “No, if you work hard you can’t be anything you want to be” was appalling.  Dr Haier represents himself as a scientist yet weaves in his own opinions that are unsupported by literature and span disciplines that he has no competency in.  In fact, he doesn’t even know the right research questions to ask.  As a physician I can’t express to you how incredibly absurd it was for him to hypothesize that it would take more anesthetic medication to sedate a “smart” person than a “stupid” person.  It is so unbelievably uninformed as to invalidate any of his other assumptions.  As a PhD in psychology, had he really never heard of the concept of volume of distribution in pharmacology?  This is a man that taught countless soles and who I assume was granted tenure at some point in his career, but he is an educated fool…some would even say, lacking in g factor.  Where is the adjusted R^2 value to support the notion that over 50% of the variability in g factor is attributable to the linear relationship between genetics and g factor? What model did he use to come to that conclusion? Or is he just spitballing it?  I think even a novice investigator would agree with the assertion that it is extremely dangerous to attempt to make broad sweeping generalizations about entire communities based on any one dataset.  Your guest said nothing about the selection criteria from the study that was published back in the 1960s demonstrating “an IQ gap between blacks and whites”.  This is a critical omission, because without it I have no idea whether those finding have any external validity.  Beyond that, neither of you made any mention about the reverberating impact that slavery continues to have on black Americans.  For centuries it was illegal to teach enslaved black people to read and write.  Just think about that for a moment.  How much of your ability to navigate the world hinges on your ability to read? What do you think the average IQ of an enslaved black person would have been?  It doesn’t take a scholar to figure this stuff out, just a healthy serving of common sense and a dollop of empathy to even care to ask the right questions.  I mean Lex, you didn’t know what a regatta was because you never learned it, not because you are unintelligent.  You were intimidated by the task of repeating a sequence of numbers in reverse because it is a fairly unnatural thing to do.  Does that make you hopelessly unteachable? Of course not.,(reply>), I felt that Lex was even worse than Haier. While Haier admitted there is little to no research on IQ and race, and it is just his personal belief and interpretation that IQ differences in race are due to genetics, Lex stated repeatedly that this would be a “fact”. Also, his reaction to the quote of the scientist not giving a straight answer when asked are you a racist, was kind of telling. While I am surprised, I am not shocked. Everybody has a dark side.