Larry Dighera wrote:

It seems that the next generation of supersonic airliners may be
permitted to fly over the US (to the west coast where I reside):

They will if an American company operates the plane. According to most press
reports that I saw at the time Concorde was being developed, about the only
reason the ban on SST flight was passed through Congress was the fact that the
Concorde was European. This was an era in which laws such as safety regulations
were being heavily used in economic warfare by Congress.

George Patterson
You can dress a hog in a tuxedo, but he still wants to roll in the mud.