President Trump wants to impose sweeping tariffs on Canada, Mexico and China. NPR's Steve Inskeep spoke with two economists who unpack the... Trump's words show why he's imposing tariffs.

STEVE INSKEEP, BYLINE: The year 2025 puts us one-quarter of the way through the 21st century. A lot has happened in those 25 years, and a look back shows how our world has changed. It even ...