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The Guardian - UK
The Guardian - UK
Comment
Rafael Behr

Trump is being schooled on the limits of US power – but he is a slow learner

Donald Trump in the Oval Office of the White House, 16 March 2026.
Donald Trump in the Oval Office of the White House, 16 March 2026. Photograph: Aaron Schwartz/CNP/Shutterstock

Donald Trump is teaching the world a lesson, but not the one he thinks. The attack on Iran was meant to be a dazzling display of military supremacy. It has instead illuminated chinks in the US’s armour.

The US president’s formidable arsenal cannot summon up an insurrection from Iran’s tyrannised and leaderless opposition. It cannot force merchant ships to run a gauntlet of missile and drone attacks in the strait of Hormuz. The government in Tehran and the facts of geography that give it leverage over global trade are unchanged. Trump’s exasperation is showing. He urges tanker crews to “show some guts” by sailing into harm’s way. He calls on Nato members to provide naval chaperones and accuses them of cowardice and ingratitude for refusing. He comes across as peevish and flustered. Impotence is not a good look in a potentate.

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