On national character traits
"As Gov. Schwarzenegger implied, the more outgoing West African personality contribution in Puerto Ricans makes them more extroverted on average that Mexicans, whose Native American contribution inclines them toward solidity and introversion. (Spaniards tend to be fairly extroverted, so mestizos come in a wide range of introversion to extroversion, while mulattos are more consistently extroverted. That may have something to do with why the smaller Caribbean population has made a bigger impact on American popular culture then the very large Mexican-American population -- e.g.., Jennifer Lopez, and American-born Puerto Rica won the role of Selena, the American-born Tex-Mex singer." -From Steve Sailer's blog, September 8,2006