Good. As the working population stagnates perhaps employers will attach some value to workers. Of course, without an underclass of immigrant labor, prices will rise and the US will have to import more food. And temporary heathcare workers can be brought in to help the aging population. It's good that America's cordial relationships with key trading partners will facilitate the free movement of goods and labor ...
#1 story on BBC news: https://www.bbc.com/news/articles/cpw052pkvl0o
facilitating the free movement of labor across borders by... abducting and abusing all the laborers coming across our borders? very curious
Necessity is the mother of invention. Americans like to invent things - we'll be fine.
It's not a guarantee that we'll import more food - though that may be a good thing in the long run to help other countries - we could also switch what kinds of food we eat.
Not everything needs manual labor to harvest like strawberries, crops like corn and wheat and others are quite capable of being harvested in bulk by machinery.
Net calories per employee/farmer would be an interesting metric.