Morning Brew Daily
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Canada Says “We’re at War” Over Tariffs & IndyCar Race Rips Through Washington DC

August 24, 2026

AI Summary

5 min read

It is August 24th, which the hosts note has been dubbed the “sickest day in America” for employee call-outs, though they suspect the mild weather and last-chance summer trips are more to blame than any actual flu. The real news, however, is far less playful: Canada’s Prime Minister Mark Carney declared his country is effectively “at war” with the United States after President Trump slapped 50% tariffs on a wide range of Canadian goods over the weekend. The episode covers this breakdown, OpenAI’s controversial new iMessage plugin, a historic IndyCar race through Washington D.C., and a major shift in global aviation hubs.

Canada Says “We’re at War” Over Tariffs

The core development is the collapse of trade negotiations between the U.S. and Canada. After Trump imposed 50% tariffs on $20 billion worth of Canadian goods—retaliation for Canadian provinces restricting American alcohol and dairy—talks appeared close to a resolution on Friday but fell apart at the last hour. Carney’s response was stark: “You’re at war when you’re attacked, and we got attacked.” He plans to retaliate dollar-for-dollar starting September 8th, targeting American goods.

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What you'll learn

  • 1 (00:48) **The "Sickest Day" in America** - The hosts discuss why August 24th is statistically the most common day for employees to call out sick, analyzing the real reasons behind the trend.
  • 2 (03:08) **Canada's PM Declares "We're at War" Over New US Tariffs** - Prime Minister Mark Carney escalates rhetoric after the US imposes 50% tariffs, with trade negotiations collapsing at the last minute.
  • 3 (04:08) **Canada's Retaliation and the Political Calculus** - Carney announces dollar-for-dollar retaliatory tariffs starting September 8th, backed by strong domestic support despite significant economic risk.
  • 4 (05:30) **The Specifics of the US Tariffs on Canada** - The hosts break down the $20 billion list of targeted Canadian goods, which includes some surprisingly specific items.
  • 5 (07:14) **Unofficial Canadian Retaliation** - Beyond government tariffs, Canadian citizens are independently boycotting American products and travel.
  • 6 (07:50) **ChatGPT Can Now Read Your iMessages** - OpenAI rolls out an optional plugin that connects ChatGPT to a user's entire Apple Messages inbox, sparking a major privacy backlash.
  • 7 (09:10) **The Practical Use Case vs. The Privacy Red Flags** - The hosts weigh the potential utility of the plugin against the strong public distrust and the complex opt-in process required.

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Show Notes

#917: The US and Canada are spiraling towards another trade war as tariff negotiations break down. ChatGPT can now read and respond to your iMessages. The Trump administration hosts the IndyCar race in Washington DC for his birthday. The world’s busiest airport is no longer in the Middle East, but now in Seoul, South Korea. Finally, what you need to know in the week ahead. 

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