[sonnyblarney]

In eras of low unemployment, yes, America can take in highly skilled migrants.

But in almost all eras (low and high employment) the import of unskilled workers into the US is probably bad. There are already tons of workers on the black market causing pricing weirdness and downward pressure on wages.

I think it's a primary driver of inequality. Recent interview on FT with direct of the Fed indicated for the first time in a long time, US companies are starting to actually 'train people', i.e. they will do this if necessary.

Some jobs Americans will do with the right wages and conditions. For those jobs Americans truly will not do - put them in other, cheaper countries, and let the surpluses go to those areas and villages, helping those people. It's much more fair that way, and more 'good' is created overall.