On What Really Matters, Walter Russell Mead discusses the public spat between Donald Trump and Elon Musk, the artificial intelligence threat to white-collar jobs, Ukraine’s drone attack on Russian aircraft, and Zero Day, a new 10-part Taiwanese TV drama about a war with China.

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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)