[Tancred]

By Siberian-American immigrants the author means Indians, American Indians, Native Americans (whatever you like to call them. Siberian-American is so nicely anti-PC compared to the phrase "Native American," which makes me gag.)

[shove_it]

I'm a Native American. My ancestors immigrated from all over northern Europe.

FYI~ Glenn Reynolds linked your post here:

http://pajamasmedia.com/instapundit/86628/