FRONTLINE investigates how President Trump turned immigration into a powerful political weapon that fueled division and violence. The documentary goes inside the efforts of three political insurgents to tap into populist anger, transform the Republican Party, and crackdown on immigration.

FRONTLINE investigates the promise and perils of artificial intelligence, from fears about work and privacy to rivalry between the U.S. and China. The documentary traces a new industrial revolution that will reshape and disrupt our lives, our jobs, and our world, and allow the emergence of the surveillance society.