On What Really Matters, Walter Russell Mead discusses the White House’s new artificial intelligence action plan, protests against Volodymyr Zelenskyy in Ukraine, a hot conflict between Thailand and Cambodia, and the role of public intellectuals throughout history.

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A US Marine Corps VXE30 Stalker unmanned aerial system is staged during a maritime domain awareness training exercise in southern Finland on July 31, 2025. (DVIDS)