Thanks for literature and links. Hope I'll find the time to read this. The article from vdare.com seems really emotional to me. Not very reputable.
"Don`t believe any of this. It`s merely a politically-correct smoke screen that Cavalli-Sforza regularly pumps out to keep his life`s work — distinguishing the races of mankind and compiling their genealogies — from being defunded by the leftist mystagogues at Stanford."
"As you can imagine, this finding could get him in a bit of hot water if the campus thought police ever found out about it."