Walter Russell Mead discusses Iran-backed attacks on global commerce, whether America is a gerontocracy, how oil is saving Joe Biden鈥檚 hide, and why Anglo-American power is the big story of world history on his podcast, What Really Matters.

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An illustration photo shows the DeepSeek logo displayed on a smartphone in Shanghai, China, on March 27, 2025. (CFOTO/Future Publishing via Getty Images)