Last week, the U.S. Senate vote to pass Senator Tim Kaine’s resolution to end the state of emergency that allows U.S. President Donald Trump to issue tariffs on Canadian goods. President Trump’s stated reason for the tariffs is that the fentanyl flowing into the United States from Canada “constitutes an unusual and extraordinary threat.” The number he’s been citing is 43 pounds for the fiscal year 2024.

Globe reporters Kathryn Blaze Baum, Colin Freeze and Andrea Woo looked into that number and found that the White House has been using misleading data to justify tariffs on Canada. Today, Kathryn is on the show to explain what their investigation found, how much fentanyl seized in the U.S. last year can actually be attributed to Canada, and what kind of impact the Senate resolution could have on the trade war.

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