That's not how it would work. The feds clearly won't even impose "are you here legally in the first place" restrictions. Bush and Obama have made that perfectly clear.
Anyway, the whole idea stinks of shit like the propaganda line "jobs americans won't do." You really think Americans are some sort of idiots that couldn't make use of the land and infrastructure in Detroit given proper reforms? Apparently we're too dumb and need some foreigners to lead the way.
How politically things are likely to work is a different question from what is Constitutionally required.
EDIT: also,
> The feds clearly won't even impose "are you here legally in the first place" restrictions. Bush and Obama have made that perfectly clear.
George W. Bush's administration engaged in some of the most extreme uses of every federal power available (and more)over immigrants since WWII in the wake of 9/11.
They may not have used that power where you want them to, but that's a different issue.
Anyway, the whole idea stinks of shit like the propaganda line "jobs americans won't do." You really think Americans are some sort of idiots that couldn't make use of the land and infrastructure in Detroit given proper reforms? Apparently we're too dumb and need some foreigners to lead the way.