Interesting how the "reverse migration" thesis (where folks already in North America move across the Berring landbridge to Siberia) can come into play to highlight the handful of serious differences available to workwith.
Whoops, these guys didn't consider the "reverse migration" thesis. Must mean these fellows don't want it to be thought that early Americans knew how to build boats.
Well, one step forward and two steps back.
Thanks for the ping, Blam--I tried to find the original article but it must not be in the search engines yet.
This complements the Tamm et al. (2007) article that came out a couple of months ago.