Its actually pretty easy in the US.. Pay! If they aren't being paid in the top 1% then its unlikely they are producing that way. That is why like many things, I

Its actually pretty easy in the US.. Pay! If they aren't being paid in the top 1% then its unlikely they are producing that way. That is why like many things, I think a more "free market" solution here is in order. A requirement for a H1B should be an extreme salary band. That proves that they are actually exceptional, while simultaneously discouraging companies from using them for cheap labor.