President Trump’s 10% duties on $200 billion of Chinese exports this week may prove counterproductive. Ports are reopening after Hurricane Florence but supply chain disruptions may continue. Mexico has cast doubts over the “done” deal for autos. Also: Dark past, brighter outlook for solar power as tariffs become normal; Trade price inflation slows, distorted by tariffs; Hawkeye and example of targets for Japan-U.S. talks; Mundane paper appeal could complicate NAFTA talks; our assessment of the relative effectiveness of American and Chinese tariffs was the most read report last week; C...