In “The Bitter Heartland,” an essay in American Purpose, William Galston, a veteran of the Clinton White House and a senior fellow at Brookings, captures the forces at work in the lives of many of Trump’s most loyal backers:

Resentment is one of the most powerful forces in human life. Unleashing it is like splitting the atom; it creates enormous energy, which can lead to more honest discussions and long-delayed redress of grievances. It can also undermine personal relationships — and political regimes. Because its destructive potential is so great, it must be faced.

Recent decades, Galston continues, “have witnessed the growth of a potent new locus of right-wing resentment at the intersection of race, culture, class, and geography” — difficult for “those outside its orbit to understand.”

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Galston has grasped a genuine phenomenon. But white men are not the only victims of deindustrialization. We are now entering upon an era in which vast swaths of the population are potentially vulnerable to the threat — or promise — of a Fourth Industrial Revolution.

This revolution is driven by unprecedented levels of technological innovation as artificial intelligence joins forces with automation and takes aim not only at employment in what remains of the nation’s manufacturing heartland, but also increasingly at the white-collar managerial and professional occupational structure.

Daron Acemoglu, an economist at M.I.T., described in an email the most likely trends as companies increasingly adopt A.I. technologies.

A.I. is in its infancy. It can be used for many things, some of them very complementary to humans. But right now it is going more and more in the direction of displacing humans, like a classic automation technology. Put differently, the current business model of leading tech companies is pushing A.I. in a predominantly automation direction.

As a result, Acemoglu continued, “we are at a tipping point, and we are likely to see much more of the same types of disruptions we have seen over the last decades.”