The biggest crisis we face in the next 15 yrs is the aging of the baby boomers and subsequent removal of the consumer prop form the economy. ==================================================== What about when these folks become permanent withdrawers from the equities market rather than consistent long term investors?
With both illegal and legal immigration, I think the low wage end of the labor supply is going to be served just fine.
As for manufacturing in the USA, we've moved away from dependence on that. That's a normal evolution in theory. Going backwards is not going to happen, IMO. Goods will be made where they can be made most efficiently and cost effectively in relation to the market they serve. That's what global trading is all about.