Of course you can't tell with certainty but you can guess at averages. Would you rather work with a programmer who has a track record of launching excellent products or a random guy picked off the street?
Encouraging immigration of skilled individuals is not a moral policy, it's an economic one.
Why? Was this country built up by the best of Old World or those that were considered the worst? Our bigger risk may not be on the dimension of education and skills but political and economic attitudes.
Encouraging immigration of skilled individuals is not a moral policy, it's an economic one.