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

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US President Donald Trump reacts after signing executive orders imposing tariffs on imported goods in the Rose Garden at the White House on April 2, 2025, in Washington, DC. (Andrew Harnik via Getty Images)