[blam]

"Sailed the big ocean? In what? The Bering Strait would be wild and impassable by any primitive craft."

I suspect that's where we're going wrong.

[The Red Zone]

Did they supposedly call occupants of interplanetary craft or sumfin? It's difficult for modern power ships to make that trip.

[muawiyah]

Not quite sure why early Shang refugees would go all the way to the Bering Strait. It would make much more sense to island hop in the Aleutians.