On What Really Matters, Walter Russell Mead discusses the United States cutting off intelligence sharing with Ukraine, shutting down American consulates overseas, and President Donald Trump鈥檚 tariffs on US allies and enemies.
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A Mexican National Guard officer stands guard on a pickup truck during a vehicle check heading to the United States at the San Ysidro Port of Entry crossing in Tijuana, Baja California, Mexico, on February 6, 2025. (Getty Images)