As Tehran and Washington prepare for crucial nuclear talks, the U.S. continues to push for limits on Iran’s enrichment capabilities.
KABUL, Afghanistan – Ahead of a crucial round of nuclear talks between Tehran and Washington on Saturday, U.S. Senator Marco Rubio voiced concerns KABUL, Afghanistan – As Tehran and Washington prepare for their third round of nuclear talks in Oman this weekend, U.S. Senator Marco Rubio has voiced concerns regarding Iran’s uranium enrichment program, specifically its insistence on the right to continue enriching uranium for its civilian nuclear program.
Speaking on the “Honestly with Bari Weiss” podcast earlier this week, Rubio stressed the risks of allowing Iran to continue uranium enrichment beyond what is needed for peaceful purposes, particularly given the country’s past nuclear activities and the ongoing concerns over its potential pursuit of nuclear weapons.
“If they insist on enriching, then they will be the only country in the world that doesn’t have a ‘weapons program,’ but is enriching,” Rubio stated. The senator’s comments come as part of a broader U.S. strategy aimed at curbing Iran’s nuclear capabilities, which is a key point of contention in the ongoing talks.
Iran, for its part, has consistently argued that its right to enrich uranium is non-negotiable, with officials reiterating this stance ahead of the discussions. On Wednesday, a senior Iranian official close to the country’s negotiating team reinforced the point, saying, “Zero enrichment is unacceptable,” signaling that Tehran is unwilling to budge on this issue.
The United States, under the leadership of President Donald Trump, has sought to prevent Iran from developing nuclear weapons through a combination of economic sanctions and military threats. The “maximum pressure” campaign implemented by the Trump administration has been a cornerstone of U.S. policy toward Iran since 2018, following the U.S. withdrawal from the 2015 nuclear deal (also known as the Joint Comprehensive Plan of Action, or JCPOA). This agreement had previously placed strict limitations on Iran’s nuclear activities in exchange for sanctions relief.
However, Iran has consistently denied any intent to develop nuclear weapons, insisting that its nuclear program is strictly for peaceful, civilian purposes, including energy production and medical research.
The Current Status of the Nuclear Negotiations:
The upcoming round of talks in Oman marks the third meeting between U.S. and Iranian officials since the resumption of diplomatic engagement on Iran’s nuclear program. While both sides have expressed a willingness to engage in negotiations, significant differences remain, particularly over the issue of uranium enrichment.
The U.S. stance is clear: Iran must curtail its enrichment activities, which are viewed as a potential pathway to the development of nuclear weapons. Senator Rubio emphasized this point during his interview, stating that there is a “pathway to a civil, peaceful nuclear program” if Iran is willing to adhere to international norms. However, the senator cautioned that Iran’s insistence on enriching uranium beyond peaceful levels creates an inherently dangerous situation.
“There’s a pathway to a civil, peaceful nuclear program if they want one,” Rubio said. “But if they insist on enriching, they will be the only country in the world that doesn’t have a ‘weapons program’ but is enriching.”
This point is central to the broader discussion: while many countries around the world operate civil nuclear programs, they do so with enriched uranium that is imported from other nations rather than produced domestically. Iran, however, has insisted on its right to produce its own enriched uranium, arguing that it is a sovereign right under international law.
The Debate Over Enrichment Levels:
One key point of contention is the level of uranium enrichment that Iran should be allowed to pursue. U.S. Middle East envoy Steve Witkoff made waves last week by suggesting that Iran need not enrich uranium beyond 3.67% purity — a level that is consistent with the limits set by the 2015 JCPOA. This raised questions among experts about whether Washington still wants Tehran to dismantle its enrichment program altogether or whether it would be acceptable for Iran to maintain a limited enrichment capability for peaceful purposes.
Witkoff later clarified his position, stating that Iran must “stop and eliminate its nuclear enrichment”. This remains a cornerstone of U.S. policy: Iran’s uranium enrichment must be restricted to ensure that it cannot produce weapons-grade material.
Rubio echoed these concerns, stating that allowing Iran to continue its enrichment activities could lead to an outcome that undermines global non-proliferation efforts.
“If Iran wants a civil nuclear program, they can have one just like many other countries in the world have one, and that is they import enriched material,” Rubio said. “The problem arises when they insist on enriching on their own.”
Iran’s Growing Uranium Enrichment:
According to the International Atomic Energy Agency (IAEA), Iran has been dramatically accelerating its uranium enrichment over the past year, pushing the purity of its enriched uranium to 60%. This is a significant increase from the 3.67% limit set by the JCPOA and is now approaching the 90% purity required for weapons-grade uranium.
Western powers, including the United States, have voiced alarm over this development, with many experts arguing that there is no civilian use for uranium enriched to such high levels. Iran has continued to argue that it does not seek nuclear weapons, but the rapid increase in enrichment has raised significant concerns about the potential military dimensions of its nuclear program.
The Path Forward:
As the negotiations move forward, both Washington and Tehran will need to navigate a complex web of political, strategic, and technical challenges. For the U.S., the goal is clear: prevent Iran from developing nuclear weapons while allowing for a peaceful, civilian nuclear program that does not involve the enrichment of uranium to dangerous levels. For Iran, the demand for unfettered access to nuclear enrichment remains a central point of resistance.
The outcome of these talks could have profound implications not only for U.S.-Iran relations but also for regional stability and global non-proliferation efforts.