[aaronblohowiak]

"Central Asians, people from the Caucasus, Afghans, Pakistanis, and even Indians darker then many an African are considered Caucasian."

Depends who you ask, as race is purely a social construct.. http://en.wikipedia.org/wiki/Craniofacial_anthropometry

Some mongoloids do have blue eyes, but yes this is a result of interbreeding with descendants of the common ancestor.

[asdlfj2sd33]

It's a bit more then a social construct. The language family is called Indo-European because of shared ancestry.