On What Really Matters, Walter Russell Mead discusses Signalgate, Palestinian protests against Hamas, Vice President JD Vance’s trip to Greenland, and what President Donald Trump sees when he scans the Middle East.

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Global Autonomous Reconnaissance Craft (GARC) from Unmanned Surface Vessel Squadron 3 (USVRON 3) operate remotely in San Diego Bay on May 15, 2024, ahead of the unit’s establishment ceremony. (US Navy photo by Mass Communication Specialist 1st Class Claire M. DuBois)