That was because the boom was so loud with the Concorde. Fighter jet booms regularly cause property damage. Apparently new designs allow for much quieter supers

That was because the boom was so loud with the Concorde. Fighter jet booms regularly cause property damage. Apparently new designs allow for much quieter supersonic booms which would make it easier to allow those. The US isn't just a country of NIMBY, also of capitalism and lobbying. If enough congressmen get free tickets for intra-US flights, the ban will quickly be lifted ;)