A.M. Edition for Sept. 18. The worst drought in a century has forced the Panama Canal’s operators to limit the number of ships passing through the strategic waterway. WSJ video journalist Amber Bragdon says that’s sending shipping prices higher and threatening global supply chains. Plus, historic auto strikes enter a fourth day. And why the Fed’s rate moves are dragging tech stocks lower. Luke Vargas hosts. Learn more about your ad choices. Visit megaphone.fm/adchoices