P.M. Edition for Sept. 16. The Wall Street Journal’s Ryan Barber on why the U.S. Secret Service is rethinking its approach to the presidential candidates’ protection. And the U.S. power grid survived another brutal summer, but just barely. Energy reporter Katherine Blunt on what it needs to keep going. Plus, Boeing freezes hiring, as it buckles in for what could be a costly strike. Tracie Hunte hosts. Sign up for the WSJ's free What's News newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices