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Diplomacy 6 min read

Trump Just Rewrote the Rules of War—Without Congress

A ceasefire in Iran, fertilizer shortages, and a president claiming he doesn't need permission to wage war. Here's why the next 90 days matter more than you think.

Trump Just Rewrote the Rules of War—Without Congress

Trump walked into a room and told Congress they’re irrelevant. Not in those words. But close enough.

The president claims that because a ceasefire has taken hold in the Iran conflict, the hostilities have “terminated,” which means—in his legal theory—he doesn’t need congressional authorization to restart them. It’s the kind of move that makes constitutional lawyers either laugh or weep, depending on their temperament. Congress gets to declare war. Presidents wage it. That’s been the arrangement since 1789. Trump’s argument essentially collapses the distinction into a gray zone where he decides when the conflict ends and, by implication, when it begins again.

Here’s what makes this dangerous: it’s not wrong legally yet. Courts move slowly. Wars move fast.

Wooden letter tiles arranged to spell 'Rules' on a textured wooden background. Photo by Markus Winkler / Pexels

The Ceasefire That Might Not Be

Let’s be clear about what we’re actually looking at. There’s a ceasefire. Shooting has stopped. But the underlying conflict—American interests versus Iranian regional power, Saudi security concerns, Israeli red lines—hasn’t been resolved. It’s been frozen. And frozen conflicts are historically terrible at staying frozen.

The Trump administration is betting it can manage a perpetual state of “we’re not at war but we could be at any moment.” It’s operationally convenient. Congress doesn’t get a vote. The White House maintains maximum flexibility. But flexibility cuts both ways. If Iran breaches the ceasefire—or if Trump claims it has breached the ceasefire—the president’s argument is that he’s simply responding to a resumption of hostilities, not initiating a new conflict.

My read? This is going to end up in federal court eventually. But by then, missiles may have already flown.

The constitutional question matters, but it’s secondary to the real issue: Trump has just signaled that he views Iran policy as exclusively his domain. Congress—which controls the purse and theoretically the war declaration—is getting sidelined. Democratic hawks will complain about authoritarianism. Republican hawks will appreciate the decisiveness. Nobody will actually stop it.

The Fertilizer Apocalypse Nobody’s Talking About

While diplomats parse ceasefire language, something far more consequential is unfolding in agricultural markets.

Yara, one of the world’s largest fertilizer producers, is warning that the Iran conflict has disrupted supply chains badly enough to reduce crop yields and spike prices. Fertilizer shortages don’t make headlines like missiles do, but they kill more people over time. We’re not talking about a 5% yield reduction. We’re talking about billions of meals at risk.

This is where the ceasefire actually matters in human terms. If hostilities resume and shipping routes get disrupted further, you’re looking at a global food crisis. Not a metaphorical one. A real shortage of calories in countries that already live on margins. Egypt depends on grain imports. So does Yemen. So do a dozen African nations.

Trump doesn’t mention fertilizer in press releases. He’s thinking about Iranian nuclear facilities and regional military balance. But the Yara boss is thinking about something simpler: Can we ship nitrogen to farmers?

Here’s my honest uncertainty: I don’t know if the Trump team has actually gamed out the second and third-order effects of a renewed Iran conflict on global food supply. I suspect they haven’t. The Middle East team and the global commodity team rarely talk to each other in Washington. That’s a structural problem that affects millions of people who have nothing to do with geopolitics.

Close-up of a vintage typewriter with the word 'Diplomacy' on a paper sheet. Photo by Markus Winkler / Pexels

Europe’s Weird Spring

While the U.S. is rewriting its own constitutional rules, Europe is dealing with something simultaneously absurd and revealing.

France’s Prime Minister visited a boulangerie on May Day—Labour Day—which violated union demands that the day remain a mandatory rest day. It sounds trivial. It isn’t. It’s symptomatic of a broader fracture in European politics where populist leaders and traditional labor movements are increasingly at odds over identity and sovereignty. French unions see May Day as sacred. The PM saw a photo op.

Turkey arrested over 500 people at May Day rallies. Turkey sees this every year. But the scale and the intensity are worth watching because they indicate how nervous Ankara is about labor organizing, which historically precedes broader anti-government movements.

Lithuania arrested nine people for alleged Russian sabotage and murder plots. And here’s the kicker: Lithuania’s sounding this alarm right now, when Washington’s attention is firmly on the Middle East. They’re essentially saying, “Hey, remember us? Russia’s still here. We still matter.”

Europe doesn’t have the luxury of Trump’s ceasefire logic. It can’t freeze Russia out for a few months and hope things stabilize. Russian sabotage is a daily fact of Eastern European life. These aren’t theoretical threats. They’re arrests. Prosecutions. Real people being charged with real crimes.

My prediction: By Q3 2025, at least one NATO member will formally request increased U.S. military presence in Europe because they’ll feel abandoned by the Trump administration’s Middle East focus. Lithuania’s basically doing that now. Others will follow.

The Hezbollah Boomerang

Israel’s been demolishing villages in southern Lebanon. The ceasefire is fraying. And Hezbollah—an organization many Lebanese people view with frustration and skepticism—is paradoxically becoming more popular.

Why? Because when your home gets bulldozed and the international community does nothing, you turn to whoever offers protection. That’s not ideology. That’s survival.

This is Israel’s strategic dilemma distilled into one brutal fact: military pressure that’s too effective can destroy the political outcome you’re actually trying to achieve. You want a weakened Hezbollah and a strong Lebanese state. Instead, you’re getting a strengthened Hezbollah and a collapsed Lebanese state. The math doesn’t work.

The ceasefire was supposed to be a pause before a permanent settlement. What actually happened is Israel used the pause to consolidate control of Lebanese territory. Hezbollah responded by consolidating support among Lebanese civilians. Now both sides are dug in, and the ceasefire is fraying because neither side trusts the other’s intentions.

Mexico’s Cartel Problem Wears a Suit Now

A U.S. indictment of a Mexican state governor isn’t new. Cartels have always had government connections. But the fact that it’s now explicit—the indictment confirms what residents “had long suspected: The line between organized crime and the upper echelons of government has blurred”—suggests something has shifted in how openly these connections operate.

This is what state capture looks like when it’s successful. It’s not a coup. It’s not dramatic. It’s bureaucratic. A governor takes cartel money. He helps with shipments. In exchange, his state becomes stable enough for commerce to happen. Perverse equilibrium.

The U.S. indictment is theoretically a reckoning. Practically, it’s a reminder that American drug policy has failed so thoroughly that we’re now prosecuting individual governors rather than addressing the demand side that created the entire system.

Saudi Arabia’s Spending Spree Is Over

The kingdom is pulling back from high-profile spending ventures due to “mounting financial concerns.” This matters more than it sounds. Saudi Arabia under MBS has been the region’s big spender—Vision 2030, megaprojects, influence-buying. That era’s hitting constraints.

Why? Oil prices have moderated. Global economic uncertainty. The golf venture (LIV Golf) turned out to be an expensive vanity project that didn’t deliver the soft power returns Riyadh expected. Saudi Arabia’s learning what Russia learned: you can’t buy regional dominance. You have to build it.

With Saudi resources tightening, the kingdom will be less inclined to bankroll allies, which means countries like Jordan, Egypt, and the UAE will have fewer funding lifelines. This cascades into Middle East geopolitics in ways we’ll feel over the next 18 months.

From below of various flags on flagpoles located in green park in front of entrance to the UN headquarters in Geneva Photo by Mathias Reding / Pexels

What I’m Watching

  • Trump’s Iran claim in federal court (Q2-Q3 2025): Watch for the first serious legal challenge to Trump’s “ceasefire = no war” argument. If a court allows it to stand, the separation of powers between Congress and the presidency has fundamentally changed. If a court blocks it, Trump will probably ignore the court order anyway.

  • Global fertilizer prices and shipping disruptions (next 90 days): Monitor Yara’s supply chain updates and global grain prices. If fertilizer stays disrupted and food prices spike 15%+ in developing nations, expect political instability in Egypt, Yemen, and parts of Africa by Q3.

  • Lithuania (and other Baltic states) requesting U.S. military deployments (Q2-Q3 2025): Specific trigger: formal NATO request for additional American troops east of Warsaw. If it happens, it means Eastern Europe no longer trusts Washington’s commitment while the Middle East is consuming White House attention.

  • Hezbollah’s Lebanese political integration (next 180 days): Track whether Hezbollah formally enters Lebanese government or electoral politics. If they do, it means the ceasefire failed to weaken them and Israel’s military strategy backfired.