Iran would agree to a 15-to-20-year moratorium on nuclear enrichment
In the long and fractured history between Washington and Tehran, a rare window of possibility has opened: the two nations stand on the edge of signing a memorandum that would begin sixty days of formal negotiations toward dismantling Iran's nuclear program. The terms being shaped — enrichment moratoriums, phased sanctions relief, international inspections — represent the architecture of a potential transformation, though the distance between a signature and a settlement remains vast. History reminds us that such moments are as fragile as they are consequential, shaped not only by diplomats but by militias, missiles, and the mistrust accumulated across decades.
- A memorandum of understanding is expected to be signed as early as this weekend, triggering a 60-day countdown toward a full nuclear agreement between the U.S. and Iran.
- Iran's Revolutionary Guard-linked media immediately denied that any memorandum text had been approved, signaling the internal fractures and public posturing that shadow every step of these talks.
- The deal's demands are sweeping: a 15-to-20-year enrichment ban, dismantlement of nuclear sites, disposal of deeply buried enriched uranium, and the reopening of the Strait of Hormuz to international shipping.
- Israeli strikes near Beirut and the unresolved question of Hezbollah's role threaten to destabilize the regional conditions the agreement depends upon.
- President Trump canceled planned military strikes against Iran and announced Vice President Vance would represent the administration at the signing, while the G7 summit looms as the next arena for global pressure.
The diplomatic machinery is accelerating. Two sources tracking the negotiations say a U.S.-Iran memorandum of understanding is expected to be signed early next week — a document that would open sixty days of formal talks aimed at producing a comprehensive nuclear agreement and reshaping the region's most volatile relationship.
The framework taking shape is ambitious. Iran would accept a 15-to-20-year moratorium on nuclear enrichment and commit to dismantling its nuclear sites. In exchange, the United States would release financial relief in stages, each tied to verified Iranian compliance. The first practical requirement is demining and reopening the Strait of Hormuz, through which roughly a fifth of the world's oil flows. Secretary of State Marco Rubio told the Senate Foreign Relations Committee that Iran must also negotiate the disposal of highly enriched uranium buried deep underground and accept long-term limits on enrichment — what President Trump has called getting rid of "nuclear dust." UN inspectors would gain access to facilities at Fordow, Natanz, and Isfahan, sites the IAEA has been blocked from entering.
On Thursday, Trump announced on Truth Social that he had canceled planned military strikes against Iran, saying all parties had approved the final points of a potential agreement. He suggested a signing could happen as early as this weekend in Europe, with Vice President JD Vance representing the administration. Iran's Fars News Agency, linked to the Revolutionary Guard Corps, quickly denied that any memorandum text had been finalized — a contradiction that, while jarring, is not unusual in high-stakes diplomacy conducted simultaneously in public and behind closed doors.
One complication casts a long shadow: Hezbollah. The memorandum reportedly includes language addressing the Lebanese militia, though details remain scarce. Israel launched a ground invasion into Lebanon in March following rocket attacks, and Israeli forces bombed near Beirut just this week — violence that threatens to unravel parallel U.S. efforts to normalize Israeli-Lebanese relations. Trump said he had spoken with Prime Minister Netanyahu and several Arab leaders, though Israel has not publicly commented on the emerging deal.
The 60-day window can be extended if needed. What unfolds within it will determine whether this memorandum becomes the foundation for something lasting, or another chapter in a relationship long defined by broken promises and mutual suspicion.
The diplomatic machinery is moving fast. A memorandum of understanding between the United States and Iran is expected to be signed early next week, according to two sources tracking the negotiations. If it happens, that signature will trigger 60 days of formal talks aimed at producing a full nuclear agreement—a framework that could reshape the region's most volatile relationship.
The contours of what's being negotiated are becoming clearer. Iran would agree to a 15-to-20-year moratorium on nuclear enrichment and commit to dismantling its nuclear sites. In return, the United States would provide financial relief, released in stages and tied directly to Iran's compliance at each step. The first order of business is practical: demining and reopening the Strait of Hormuz, the critical waterway through which roughly a fifth of the world's oil passes. Secretary of State Marco Rubio told the Senate Foreign Relations Committee this month that Iran must allow international shipping through without tolls or threats. He also laid out phase two requirements: Iran must negotiate the disposal of highly enriched uranium currently buried deep underground, and accept strict, long-term limits on enrichment activities.
The U.S. intelligence community has assessed that Iran does not currently possess a nuclear weapon, but rather has sought to position itself at the threshold—capable of producing one quickly if it chose to. The International Atomic Energy Agency has been blocked from inspecting Iranian nuclear sites to verify the government's claims about peaceful intentions. Under the emerging deal, UN inspectors would be granted access to dispose of what President Trump calls "nuclear dust" and to monitor the facilities at Fordow, Natanz, and Isfahan, where enriched material is believed to be buried in rubble.
On Thursday, President Trump announced on Truth Social that he had canceled planned military strikes against Iran, saying all parties—including the U.S. and several Middle Eastern countries—had approved the final points of a potential agreement. He said a signing date and location would be announced shortly, and suggested it could happen as early as this weekend in Europe. Trump indicated he would not attend the signing himself, but Vice President JD Vance would represent the administration. The president is scheduled to travel to France next week for the G7 summit, where global trade disruption from regional conflict is expected to dominate discussions.
The Iranian response was swift and contradictory. The Fars News Agency, which is associated with the Revolutionary Guard Corps, quoted an unnamed source close to Iran's negotiating team denying that any memorandum text had been approved. This kind of public disagreement is not unusual in high-stakes diplomacy—both sides often stake out different public positions while talks continue behind closed doors.
One complication looms larger than others: Hezbollah. The memorandum apparently includes language addressing the Lebanese militia, though details remain scarce. Israel launched a ground invasion into Lebanon in March after Hezbollah fired rockets across the border, and just this week Israeli forces bombed outside Beirut. The violence threatens to derail U.S. efforts to push Lebanon and Israel toward normalized relations and joint action against the militia. Trump said he had spoken with Israeli Prime Minister Benjamin Netanyahu and several Arab leaders about the emerging agreement, though Israel has not yet publicly commented.
The 60-day negotiating window can be extended if needed, according to multiple sources. What happens in those two months will determine whether this memorandum becomes the foundation for a lasting agreement or another false start in a relationship defined by mistrust and broken promises.
Citações Notáveis
Iran must reopen the Strait of Hormuz and allow international ships to sail through without being fired upon or paying a toll.— Secretary of State Marco Rubio, testifying before the Senate Foreign Relations Committee
They will not have a nuclear weapon—they've agreed to that.— President Trump, speaking in the Oval Office
A Conversa do Hearth Outra perspectiva sobre a história
Why does the Strait of Hormuz matter so much that it's the first thing they mention?
Because roughly 20 percent of the world's oil flows through it. If Iran closes it or makes it unsafe, global energy prices spike overnight. It's leverage and vulnerability wrapped together.
So Iran has been blocking it?
Not completely, but they've threatened it repeatedly, and they've harassed shipping. Opening it reliably is proof of good faith—and proof that Iran is willing to give up one of its few economic weapons.
What about the uranium buried in a mountain? Why is that hard to deal with?
Because you can't just leave it there. It's enriched, which means it's weapons-grade material. You have to physically remove it, dispose of it, and verify it's gone. That takes time and international oversight.
And the 15-to-20-year lockout—what happens after that?
That's the question nobody's answered yet. The agreement as described would expire. Whether Iran could resume enrichment then, or whether there would be another deal, is still being negotiated.
Why did Trump cancel the strikes?
He says all parties approved the final points. But Iran's own officials are saying nothing's been approved yet. It's theater and real diplomacy happening at the same time.
Is this actually going to work?
That depends on whether both sides believe the other will actually comply. History suggests skepticism is warranted.