PerspectiveThe “smarter” wall: how drones, sensors, and AI are patrolling the border

Published 17 May 2019

In an era of increasingly polarized politics, there are few issues as divisive as President Trump’s proposal to build a physical wall across part of the 2,000-mile US-Mexico border. Shirin Ghaffary writes in Vox that there is another kind of border wall increasingly being talked about — one that proponents pitch as being less costly, less disruptive, and less politically controversial than a physical barrier: a so-called “smart wall.”