A.M. Edition for Aug. 12. Ukrainian forces have quickly captured territory in Russia’s Kursk province, even as they remain outgunned and outnumbered in most places. Plus, the Trump campaign blames Iran for an alleged hack of its internal communications. And WSJ immigration reporter Michelle Hackman explains how the U.S. and Mexico drove down illegal border crossings in an election year, even if recent progress may be hard to maintain. Luke Vargas hosts. Sign up for the WSJ’s free What’s News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices