Jonathan Rauch understands. Just read it, please.
My thanks to A Constrained Vision, via Jujitsui Generis, for the pointer.
Related posts:
IQ and Personality (March 14, 2004)
IQ and Politics (March 14, 2004)
The Right is Smarter Than the Left (June 11, 2004)
The Advantages of Introversion (May 1, 2005)
"Thinking" vs. "Feeling" (June 8, 2005)