[blam]

"My general Theory is that is would have been easier to walk to NA from europe than asia, because of the extreme low level of the seas during the glacial periods. tribes could easily hunt their way around the ice shelf and exposed land masses between the two continents."

They came from many directions. I believe the Jomon - Ainu - Austroneasians were the first to arrive in the west of the Americas. However, the Europeans weren't far behind if not first.

Iberia, Not Siberia

[xcamel]

I'm glad I'm not the only one working on these theories... and I'm not even a scientist. :(0)