P.M. Edition for Sept. 23. In an exclusive report, The Wall Street Journal\u2019s Andrew Tangel reveals how GPS spoofing attacks cause problems for hundreds of daily flights. And California takes Exxon to court over pollution and plastics recycling claims. Plus, the U.S. is on pace to hit a record high in its homeless population. The Journal\u2019s Jon Kamp on what\u2019s behind the rising numbers. Tracie Hunte hosts.\n\n\n\nSign up for the WSJ's free What's News newsletter.\n\nLearn more about your ad choices. Visit megaphone.fm/adchoices