Dreams of a Eugenicist Planet?

Ask and ye shall receive. In a recent post on eugenics, I claimed that the connection between early 20th century genetics and early 21st century genetic engineering was weak. I asked if anyone thought I was wrong, and in no time I got a comment from Razib at Gene Expression.

He suggests that I’m limited by conventional preconceptions, taking issue on both my points–first about the prospects of engineering intelligence and second about the prospects of a new species of engineered humans. I think he’s got a stronger argument on the first point than the second.

On the first point, Razib argues that it wouldn’t be as hard as I think to engineer more intelligence. I said maybe thousands of

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