> Who does that? Most people learn only their own language. In 2002, the AP reported that 66% of children worldwide are bilingual. There are probably fewer peo

> Who does that? Most people learn only their own language. In 2002, the AP reported that 66% of children worldwide are bilingual. There are probably fewer people who speak a single language than 2 or more. http://edition.cnn.com/2001/US/06/19/language.glance/index.html?_%2520s=PM:US http://edition.cnn.com/2001/US/06/19/language.glance/index.h...