The A.I.-Powered Cameras Watching Border Towns, and a Midterms Attack Ad Causes Outrage

Plus, the Friday news quiz. Here’s what we’re covering: Trump’s ‘Smart Wall’ of A.I. Cameras Is Watching the Border, and More Than a Million People, by Bora Erden and Nicholas Nehamas Justice Dept. Opens Inquiry Into Corey Lewandowski, by Glenn Thrush, Tyler Pager and Nicholas Nehamas The Ad Dividing the Republican Party, by Jess Bidgood Protesters in Indonesia Demand Action to Stop Fires in Rainforests, by Muktita Suhartono Airbnb Says Guests Shouldn’t Have to Do the Dishes Anymore, by Francesca Regalado and Jonathan Wolfe Listen to the end of the episode for an audio news quiz. If you want to take The Times’s weekly online news quiz, go here.