I'll toss a couple more pennies in to the fray.

I've seen Block's writings surface in other threads that went all Bell-Curvey. The best response I've seen is from Sesardic, who has quite a bit to say about Block's meandering about heritability:
Sesardic's response to Block and others

I'd enjoy a live debate between the two.

Being offended is a natural consequence of leaving the house. - Fran Lebowitz