They have ignore North Ameica for years because they simply accepted the theory that this country and continent were settled from without. I never accepted that premise and I don’t accept it now. Archaeology in North America has been lacking and still, as of now, we are the undiscovered country. Just watch. There are more than a few surprises awaiting those who accept theories with no basis in fact and the Bering Bridge was one of them.
While there is little doubt neat things are concealed near—or beneath—the Bering Strait, they’re pretty much inaccessible.
I’ve been there, and can assure you nobody’s going to find much evidence of anything other than fog and ice for quite a long time.
According to a book I’m currently reading (Invented Knowledge by Ronald Fritze), the Clovis culture idea that most paleontologists and those sorts of people believe (the first Americans came over about 12000-14000 years ago) is false. Bone fragments indicate earlier people by thousands of years.