White House Says Trump Discussing Iranian Proposal With Aides

High-level diplomatic activity resumed between Iran and the United States over Iran's nuclear programme, with a written Iranian proposal being evaluated at t...

What Happened

High-level diplomatic activity resumed between Iran and the United States over Iran's nuclear programme, with a written Iranian proposal being evaluated at the White House.
The current round of negotiations began in April 2025 in Muscat, Oman, facilitated by Omani intermediaries, and has progressed through multiple rounds.
Iran has put forward a proposal related to its nuclear programme, which is being actively discussed among senior officials.
Key sticking points include Iran's insistence on retaining its right to enrich uranium on Iranian soil and the U.S. preference for zero enrichment.
Iranian negotiators have indicated they seek an agreement that improves upon the 2015 JCPOA (Joint Comprehensive Plan of Action).

Static Topic Bridges

The Joint Comprehensive Plan of Action (JCPOA), 2015

The JCPOA, commonly known as the Iran nuclear deal, was agreed in July 2015 between Iran and the P5+1 group (the five permanent UN Security Council members — the United States, United Kingdom, France, Russia, China — plus Germany), along with the European Union.

Under the JCPOA, Iran agreed to reduce its uranium enrichment capacity significantly, cap enrichment levels at 3.67%, limit its stockpile of enriched uranium, allow International Atomic Energy Agency (IAEA) inspections, and convert the Arak heavy water reactor so it could not produce weapons-grade plutonium.
In return, the United States, EU, and UN lifted nuclear-related sanctions on Iran.
The agreement had a "sunset clause" — key restrictions would phase out over 10–15 years.
In May 2018, the United States unilaterally withdrew from the JCPOA and reimposed sanctions under a "maximum pressure" strategy. Iran progressively reduced its JCPOA compliance from May 2019 onward.
By 2023, Iran had enriched uranium to 60% purity — well above the JCPOA limit of 3.67% and approaching weapons-grade (90%+).

Connection to this news: The 2025–26 negotiations are effectively an attempt to revive or replace the JCPOA architecture, with both sides claiming to seek a deal better calibrated to current realities.

Nuclear Non-Proliferation Treaty (NPT)

The NPT is the cornerstone of the global nuclear non-proliferation regime, opened for signature in 1968 and in force since 1970. It has 191 states parties — the most of any arms limitation and disarmament agreement.

The NPT rests on three pillars: non-proliferation (non-nuclear states agree not to acquire nuclear weapons), disarmament (nuclear-armed states agree to pursue disarmament), and peaceful use of nuclear energy (all states have the right to develop nuclear energy for civilian purposes).
Article IV of the NPT guarantees the "inalienable right" of all parties to develop, research, produce, and use nuclear energy for peaceful purposes.
The NPT recognises five nuclear-weapon states (NWS): the U.S., Russia, UK, France, and China. India, Pakistan, and Israel are not NPT signatories. North Korea withdrew from the NPT in 2003.
Iran is an NPT signatory; its development of enrichment capacity has been the subject of multiple IAEA board of governors resolutions and UN Security Council sanctions.

Connection to this news: Iran's assertion of its "inalienable right" to enrich uranium is explicitly grounded in Article IV of the NPT, making this a central point of legal and diplomatic contention in the negotiations.

The Role of Oman as Diplomatic Intermediary

Oman has historically served as a discreet diplomatic back-channel between the United States and Iran, given its unique position as a Gulf state maintaining good relations with both Washington and Tehran.

Oman facilitated the secret U.S.–Iran talks that paved the way for the 2015 JCPOA negotiations, beginning around 2012–13.
Oman is the only Gulf Cooperation Council (GCC) member that did not join the Saudi Arabia-led military coalition in Yemen, reflecting its independent foreign policy.
Oman's Sultan Haitham bin Tariq has continued the foreign policy pragmatism established by the late Sultan Qaboos (who ruled 1970–2020).
In the current round, Oman hosted the first round of talks (April 12, 2025) and relayed messages between delegations in separate rooms — a format designed to manage the political sensitivities around direct dialogue.

Connection to this news: Oman's continued mediation role reflects the diplomatic trust it has built with both parties over more than a decade and its strategic value as a neutral Gulf interlocutor.

Iran's Nuclear Programme: Technical Status

Understanding the technical dimensions of Iran's nuclear programme is essential for assessing the stakes of the negotiations.

Uranium enrichment levels: Natural uranium contains 0.7% U-235; power reactor fuel requires 3–5% enrichment; weapons-grade uranium requires 90%+ enrichment.
By late 2023 and into 2024, Iran had enriched uranium to 60% purity — a level with no known civilian nuclear application.
Iran's breakout time (the estimated time to produce enough weapons-grade material for one nuclear device) had shrunk from about 12 months under the JCPOA to potentially weeks by 2025.
Iran operates centrifuge facilities at Natanz and Fordow; Fordow is built into a mountain, making it hardened against airstrikes.
The IAEA has reported that Iran has restricted inspector access to key facilities since February 2021.

Connection to this news: The compression of Iran's breakout time gives the negotiations both urgency and complexity — the window for a diplomatic solution before Iran reaches a threshold nuclear capability is narrowing.

Key Facts & Data

JCPOA signed: July 14, 2015 (P5+1 + EU + Iran)
U.S. withdrawal from JCPOA: May 8, 2018
Iran's enrichment level under JCPOA: Capped at 3.67%
Iran's enrichment level by 2023–24: 60% purity
Weapons-grade enrichment threshold: 90%+
Current talks initiated: April 12, 2025 (Muscat, Oman)
Mediator: Oman (with Qatar assisting in parallel tracks)
Key U.S. demand: Zero enrichment on Iranian soil
Key Iranian red line: Retention of enrichment rights on Iranian soil
NPT Article IV: Guarantees inalienable right to peaceful nuclear energy
Five NPT nuclear-weapon states: U.S., Russia, UK, France, China
Non-NPT nuclear-armed states: India, Pakistan, Israel
IAEA inspector access restricted: Since February 2021