Evolution of the US Manufacturing Sector [Must Read]

UC Berkeley economist Brad DeLong has written a great and timely piece on US manufacturing employment trends:

https://www.project-syndicate.org/commentary/manufacturing-jobs-share-of-us-economy-by-j--bradford-delong-2017-05

Related:

The Myth and the Reality of Manufacturing in America
http://conexus.cberdata.org/files/MfgReality.pdf