In The US, It Takes One Fifth As Much Labor To Produce The Same Output As It Did In 1980

Alan: The jobs have gone away and they are not coming back unless they return as workplace robots. 

The following report is extremely well done. 

Trump Likely To Face Challenges In Plan To Revitalize Manufacturing
(This is a lame title for a "revolutionary" article.)
http://www.npr.org/2016/12/01/504033578/trump-likely-to-face-challenges-in-plan-to-revitalize-manufacturing

What Politicians (And People) Don't Get: Companies Don't Want To Produce Jobs.
They Want To Eliminate Them.
http://paxonbothhouses.blogspot.com/2016/12/what-politicians-and-people-dont-get.html

"Automation, Robotization, Software-Enhanced Productivity And Permanent Job Loss"

http://paxonbothhouses.blogspot.com/2012/02/automation-robotization-and-job-loss.html