Perhaps one of the the most depressing discussions I have heard in a long time. Much like Tommy Sotomayor, Smith makes a number of statements which, should they come from anybody who is not black, would likely be viewed as utterly racist.
However, I can not refute Smith's assertions regarding race and IQ and, much like him, I would take realism over delusion any day. I do believe these issues need to be properly studied. These are also issues that never will be studied and explored properly so long as political correctness has a stranglehold over the academia.
To see more read Robert Smith's article on the topic: