Trump is pretending that this largess will trickle down in the form of good middle-class American jobs — a Trumpian version of what then-presidential candidate George H.W. Bush in 1980 called “voodoo economics.” The idea is that big corporations and super-wealthy Americans will invest their tax savings in Main Street businesses, as they did 50 years ago, not on stock buybacks, exotic financial instruments and huge executive compensation packages.

The devil will be in the details, and the details will not be pretty.

Watch your neck with smartphones

The following editorial appeared in the Pittsburgh Post-Gazette on Monday, Aug. 28:

In his 2010 book “I Live in the Future & Here’s How It Works,” the technology writer Nick Bilton relayed anecdotes about early 19th-century anxieties in Britain at the dawn of train travel. It was thought that “people would asphyxiate if carried at speeds of more than 20 mph” and reputable scientists believed that traveling at a certain speed “could actually make our bones fall apart.” So far, that hasn’t happened. While adjusting to the future is often alarming, as Bilton illustrated, humans find a way to cope.