That would be good in terms of travel time, but a huge downgrade from the 747 in terms of comfort and ability to take large entourages of press and staff. Anyway, it seems unlikely to happen within Trump’s term of office.
It’s pretty clear that this is exactly what the Democrats are planning. They’ve never accepted their loss four years ago, and they won’t accept this one, either.
It’s a safer design than the traditional reactors, but I’d still like to see more innovative ones. But even this will beat the hell out of “renewables.”