On trade, a politically feisty Trump risks economic damage
As political theater, the threat last week from the Trump administration that it would pull the US out of the North American Free Trade Agreement (Nafta) effectively enhanced the White House storyline. From the campaign through his first 100 days in office, President Donald J. Trump adroitly exploited the most conspicuous downsides of trade in portraying himself as a hero to those who go to work in coveralls.