Walter Russell Mead discusses homeschooling, the United States–Japan–South Korea security pact, artificial intelligence’s threat to the nation state, China’s economic woes, The Magic Flute, and Fidel Castro on his podcast What Really Matters.

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Defense Secretary Pete Hegseth greets Supreme Allied Commander Europe General Christopher Cavoli before the North Atlantic Council meeting of defense ministers on February 13, 2025, in Brussels, Belgium. (Omar Havana via Getty Images)