I'm working on writing this up in a blog post, but it'll take a while. I'm trying to take a data-driven look at the major structural problems with America, but there are just way too many of them. But specifically for jobs there are a lot of limiting factors that stem from the ways we currently approach education, parenting, infrastructure, healthcare, mental health, the criminal justice system, immigration, poverty, the environment, the military, etc.

E.g. if you look at the literacy levels in America, it should be pretty obvious why this is an issue: http://nces.ed.gov/NAAL/PDF/2006470.PDF