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Trump leans toward economic pressure on Iran as diplomatic track falters

The Trump administration is shifting strategy toward maximum economic and military pressure on Iran as diplomatic efforts stall, with Treasury Secretary Scott Bessent emerging as a key architect of financial strangulation.

The Tehran skyline against the Alborz mountains.
The Tehran skyline against the Alborz mountains.

The Trump administration is shifting strategy toward maximum economic and military pressure on Iran as diplomatic efforts stall, with Treasury Secretary Scott Bessent emerging as a key architect of financial strangulation.

The Trump administration's approach to Iran has entered a new phase of turbulence. Competing factions within the White House are contending for the president's ear, but momentum has swung from a diplomatic track championed by Steve Witkoff, Jared Kushner and Vice-President JD Vance toward a national security coalition centred on economic and military coercion.

Iran's refusal to make concessions and its insistence that Trump change course rather than the Islamic Republic alter its behaviour has weakened the diplomatic faction. Defence Secretary Pete Hegseth and Treasury Secretary Scott Bessent have returned to prominence, backed by State Secretary Marco Rubio and the national security apparatus. The strategic shift pairs military readiness with unprecedented economic measures designed to isolate and financially strangle Iran beyond traditional sanctions.

The deployment of the USS George Washington to the Middle East to relieve the USS Abraham Lincoln signals no Pentagon preparation for disengagement. Hegseth's assurance that the U.S. Navy can sustain a blockade indefinitely places military tools in service of economic suffocation. Bessent, for his part, promises economic measures without precedent.

Bessent has legislative ground to build upon. The Senate has approved with large majorities a sanctions bill sponsored by Senator Lindsey Graham targeting Russia and Iran, with a House battle pending. The sanctions extend beyond Iran itself to countries and entities providing it financial and commercial conduits. China sits at the centre of the equationu2014not only because of its economic ties to Iran, but because pressure on Beijing transforms American sanctions from a direct blockade into a siege on escape routes from the blockade.

The broader economic plan targets non-traditional methods Tehran uses to circumvent the financial system, including cryptocurrencies and networks of intermediaries, shell companies and front entities. The goal is not to add names to sanctions lists but to shrink Iran's ability to move, access and deploy funds for the state, the Islamic Revolutionary Guard Corps and its external networks.

China will be the hardest test. Excessive American pressure on it carries strategic costs in Washington-Beijing relations, but exempting it drains a crucial component of the strangulation strategy. The message to Beijing is that continued economic rescue of Iran is no longer separate from the American confrontation with it, especially after Tehran rejected giving Trump what he needs to justify a return to negotiation.

The naval blockade of Iranian ports matters more than sanctions. Any breach will serve the Revolutionary Guard's strategic interests in the Strait of Hormuz. Any American willingness to lift it will be read in Tehran as proof that hostage-taking of the global economy through the strait succeeded in subduing the American president. Lifting the blockade in exchange for Iranian promises will hand the Islamic Republic back the card Washington is trying to take from it.

Iran is not positioned to dictate terms, but it has demonstrated an ability to disrupt and prevent the United States from converting military superiority into political victory. Paradoxically, a conflict that did not begin over the Strait of Hormuz has become suspended on its fate, while the files the confrontation originally arose to address have been shelved.

Iran will posture readiness to resume talks and may seek to revive a memorandum of understanding in which the Witkoff-Kushner-Vance faction invested. The problem is that this memorandum has become closer to a Trump trap, allowing Tehran to manage time without abandoning nuclear, missile and drone programmes and its network of proxy forces, while offering partial access to Hormuz as a strategic concession.

The battle over Iran is not merely diplomatic. The Revolutionary Guard is fighting in Iraq, Lebanon and Yemen to preserve the geography it built over decades. In Iraq, the Quds Force clings to armed factions as tools of influence and decision-making, confronting Iraqi state efforts to reclaim authority and rebuild Arab ties, including with Saudi Arabia. Iranian-backed Iraqi armed groups are not a detail in Iranian strategy but one defence line for the regime itself.

In Lebanon, the battle is more direct. The Revolutionary Guard and Hezbollah are working to prevent exclusive state control of weapons and to block a path toward consolidating Lebanese sovereignty and negotiating with Israel under American sponsorship with Arab and European backing. Keeping Hezbollah in tunnels does not necessarily save it; it may drive it toward a fate resembling what the Houthis face when a proxy becomes a tool of attrition and then fuel for confrontation.

Yemen presents the gravest test. The Houthis hold an Iranian arsenal capable of threatening navigation in the Bab al-Mandab and proved again this week their ability to strike ships. Success in closing or widely disrupting the strait will confront the Trump administration with a decision sanctions cannot answer: will the United States use military force to keep the passage open, or allow Iran to replicate its Hormuz strategy in Bab al-Mandab?

Here the illusion that diplomacy alone can manage the confrontation collapses. The record of Witkoff and Kushner on Iran, Gaza and Ukraine offers no persuasive evidence that partial deals produce strategic solutions. Kushner's anticipated visit to Israel and Egypt will formally concentrate on Gaza, but Israel is necessarily concerned to learn which direction Trump will take the next phase of the Iranian conflict.

Time is also pressing on the American president domestically. Congress returns after the summer recess to place war, its costs and Iran policy at the centre of political battle as midterm elections approach and Republicans need a strategy explicable to the American voter. A picture of an divided administration and a president swinging between decisive action and deals has become a political burden, not merely a foreign policy problem.

The weight of expectation now lies with those who do not anticipate a genuine deal with Iran in the coming months. Scott Bessent's role thus transcends the Treasury Department. His task is to provide Trump an exit from negotiations that yielded him no victory, and to transform withdrawal into a pressure strategy the president can present as a show of strength rather than an admission of failure.Gulf states prefer economic strangulation to a new and devastating military war, which is understandable. But they do not hold the American decision.