President-elect Donald Trump threatens to hit Canada, Mexico and China with tariffs. He says they aren't doing enough to stop undocumented migrants and fentanyl smugglers from crossing into the U.S.
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Brian Mann
Brian Mann is NPR's first national addiction correspondent. He also covers breaking news in the U.S. and around the world.
A Martínez
A Martínez is one of the hosts of Morning Edition and Up First. He came to NPR in 2021 and is based out of NPR West.