David begins to go for the jugular rather early, combining what I suspect is his Adlerian background into building a case that we're smarter than we need to be. > > My reading is early and very preliminary, but I have a simple question to ask: > > Could it not be the case that as soon as our primitive ancestors--under pressure from the Ice Age you discuss--began to identify their geniuses and began a program of selection of their own? -Cute start to your comments. But(!), H sapiens is in Africa, and not as cold. Attraction to sex is still attraction to sex. No one in the Rift Valley is thinking about IQ.