President Donald Trump at the White House on October 20, 2025. | Kevin Dietsch/Getty Images This story appeared in The Logoff, a daily newsletter that helps you stay informed about the Trump administration without letting political news take over your life. Subscribe here. Welcome to The Logoff: President Donald Trump’s wide-ranging tariff campaign is supposed to rest on an emergency authority — one he’s now using to ratchet up tariffs on one of America’s biggest trading partners in a fit of pique. What happened? Over the weekend, Trump raised the US tariff rate on Canada by 10 perc...

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