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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Arleigh Burke–class guided-missile destroyer USS Chafee (DDG 90) sails in formation during the Rim of the Pacific (RIMPAC) exercise on July 28, 2022. (DVIDS)