|Source: "Wages aren’t stagnating, they’re plummeting" posted by Dylan Matthews on Washington Post Wonkblog|
Thus our workforce must be prepared to work in fields like education and health care, or to work in highly technical fields in tradable goods and service production. Education is needed for those jobs.
As the graph shows, people in American who have little education face hard economic times. It is in these areas too that we have lots of illegal immigration from people who still want our lowest paying jobs.