President Donald Trump says “Liberation Day” is coming. On Wednesday, he plans to roll out a set of tariffs that he promises will free the United States from foreign goods.

Our economists say the invisible hand will take care of us. But they ignore what is right in front of them. Manufacturing remains the most productive sector of the American economy.

US Trade Representative Jamieson Greer was spending a second day testifying to Congress on what the Trump White House insisted was a trade “emergency” that needed unprecedented action. But he learned about his boss’ about-face during the hearing, in an episode that shattered his credibility in future trade talks.