[JoeAltmaier]

Um, many of those are pretty commonly clustered by race. In America we have a diverse pool of folks, so we make up 'races' by skin color or whatnot. Under that system we see that race doesn't matter much; people vary all over the map.

But race in other parts of the globe correlate pretty much to culture, and personality, communications style, even socioeconomic group correlate strongly.