(L-R) US Secretary of Treasury Scott Bassent, Crown Prince and Prime Minister of the Kingdom of Saudi Arabia Mohammed bin Salman and Elon Musk look on as US President Donald Trump delivers remarks at the US-Saudi Inv... (L-R) US Secretary of Treasury Scott Bassent, Crown Prince and Prime Minister of the Kingdom of Saudi Arabia Mohammed bin Salman and Elon Musk look on as US President Donald Trump delivers remarks at the US-Saudi Investment Forum at the John F. Kennedy Center for the Performing Arts in Washington, DC on November 19, 2025. (Photo by Brendan SMIALOWSKI / AFP) (Photo by BRENDAN SMIALOWSKI/AFP via Getty Images) MORE LESS

One of the key arguments for a great power — other than the great power itself wanting to be one — is that they act as a guarantor of stability and the status quo. That is far from the only public or global good. And a great power will ensure that status quo on its own terms and mostly to its own advantage. But if you have any acquaintance with history, you know you can do a lot worse than relative peace and the status quo. Trump’s Iran War has been a bracing illustration of all these realities. Once the great power starts letting things break, those breakages can start multiplying very fast. Eventually you’ll find a new equilibrium, of course. But eventually can take a long time. And again, even a passing acquaintance with history tells us that things can suck without end for extended periods of time.

There’s an interesting New York Times piece from over the weekend that illustrates all these things. We know the outline. But it provides new details. As a knock-on effect of the U.S. war with Iran, the ongoing battle between Saudi Arabia and the Houthi rebel government in Yemen has again become hot. In recent weeks, the Houthis have partly cut off Saudi Arabia’s other path to the ocean. Put simply, the Saudis can export oil through the Strait of Hormuz or the Red Sea. The former has been mostly closed for months. Now the Houthis are in de facto or near control of the second. That’s a big crisis for the Saudis. This is part of the larger U.S.-Iran battle because the Houthis are clients of Iran. And Iran’s core strategy has been to create enough pain for the U.S.’s regional allies that they will force the U.S. to end the war. Remember, each time the U.S. attacks Iran, they respond by attacking the various Gulf emirates.

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