On What Really Matters, Walter Russell Mead discusses the United States cutting off intelligence sharing with Ukraine, shutting down American consulates overseas, and President Donald Trump’s tariffs on US allies and enemies.

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President Donald Trump shakes hands with President of the European Commission Ursula von der Leyen as he announces a trade deal with the EU at Trump Turnberry golf club on July 27, 2025, in Turnberry, Scotland. (Andrew Harnik via Getty Images)