Ever since free trade opened up between the US and Mexico in the 1990s, trillions of dollars of goods have been going back and forth between the two countries, from cars to strawberries to MRI machines to underwear. But one major exception has been fresh American potatoes.

Today on the show, we tell the trade saga of the American potato. For more than 25 years, there was a place that American potatoes could not go to freely. A place that the entire American potato industry was desperate to access. A vast, untapped market: Mexico.

But standing in their way – the Mexican potato lobby and a trade loophole.

This episode was hosted by Erika Beras and Jeff Guo. It was produced by Willa Rubin and edited by Meg Cramer. It was fact-checked by Sierra Juarez. Engineering by Cena Loffredo. Alex Goldmark is Planet Money's executive producer.

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