I think doing as well as NZ would be a laudable goal. If the whole world did that well, then I think COVID would be quickly eradicated.
But, beyond the fact that the US has large land borders, the US has a genuine problem. We are economically dependent on legal and illegal cross-border seasonal migration. I personally think that, with actual political will, the borders could be made a lot less porous, but this would involve attacking the supply and demand sides. Neither party is interested.
But, beyond the fact that the US has large land borders, the US has a genuine problem. We are economically dependent on legal and illegal cross-border seasonal migration. I personally think that, with actual political will, the borders could be made a lot less porous, but this would involve attacking the supply and demand sides. Neither party is interested.