[MikeWaters]

http://www.deseretnews.com/article/1...261520,00.html

The original article:
http://www.plosone.org/article/info:...l.pone.0001764

interesting:

Also, a press release from the foundation notes, "The study also confirms the presence of genetic subgroups of more rare, less known and geographically limited genetic groups who arrived later." Those groups are not detailed in the paper.