Each CV is scrutinised, language and other skills are put to the test and there are background checks into the candidate's experience and competence.

ECONOMIST: How to choose a judge

Like the Neanderthals, the newcomers had been busy, too, developing advanced tools and weapons, better navigational skills, trade, complex language, art and other forms of symbolic thinking.

WSJ: Neanderthals: Why Us and Not Them?

Even those who remained in the fields due to lack of language skills, little education or other barriers still benefited, because they were able to claim unemployment insurance and other benefits when farm work dried up for the season.

NPR: In Prior Overhaul, Legalized Farmworkers Prospered