US-Iran Talks Intensify as Vance Engages Tehran While Trump Escalates Rhetoric Over Strait of Hormuz

WASHINGTON — The first direct talks between senior U.S. and Iranian officials in years are underway as Secretary of State Antony Blinken’s deputy, Wendy Sherman, meets Iranian negotiators in Oman, while former President Donald Trump has reignited tensions by vowing to “take over” Iran if Tehran closes the Strait of Hormuz. The parallel diplomatic and rhetorical tracks raise questions about whether Washington’s approach to Iran is shifting—or fracturing—as regional instability deepens.

According to diplomatic sources briefed on the discussions, Sherman’s delegation is pushing for a 60-day roadmap to revive the 2015 nuclear deal, known as the Joint Comprehensive Plan of Action (JCPOA), while Iranian officials emphasize guarantees against future U.S. sanctions and military threats. Meanwhile, Trump’s latest comments—delivered at a campaign rally in New Hampshire—underscore the political divide within the U.S. over how to handle Iran, with hardliners warning that engagement risks emboldening Tehran.

What’s clear is that the Strait of Hormuz, a chokepoint for global oil shipments, has become the flashpoint. Iran’s recent military drills near the strait—coupled with Trump’s vow to “totally destroy” Iranian forces if they block shipping—have sent oil prices spiking and raised fears of a direct confrontation. Analysts say the situation reflects a three-way tug-of-war: the Biden administration’s cautious diplomacy, Trump’s aggressive posturing, and Iran’s calculated pressure tactics.

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What Just Happened: The Oman Talks and Trump’s Threat

The latest round of U.S.-Iran negotiations, held in Muscat, Oman, marks the first time American officials have met Iranian counterparts since 2019, when then-President Trump unilaterally withdrew from the nuclear deal and reimposed sanctions. Sherman, who led the original JCPOA negotiations under the Obama administration, is leading the current talks alongside European mediators.

Key developments include:

• 60-day framework: Sources say both sides have agreed to a non-binding roadmap to resume negotiations, with a deadline of two months to address outstanding issues, including Iran’s nuclear enrichment activities and U.S. sanctions relief. The framework does not yet include a full return to the 2015 deal but aims to “de-escalate tensions”, according to a European diplomat familiar with the discussions.
• Trump’s intervention: Just hours after Sherman’s delegation arrived in Oman, Trump took to the stage at a campaign event, declaring, “If Iran closes the Strait of Hormuz, we will totally destroy them. We will take over Iran. We will take over Iran and we will do it very quickly.” His remarks—uncoordinated with the State Department—sent shockwaves through global markets, with Brent crude oil jumping over 3% in a single day.
• Iran’s response: Tehran has not directly commented on Trump’s threat but has accelerated military drills in the Strait of Hormuz, including anti-ship missile tests and naval exercises involving fast attack boats. A senior Iranian Revolutionary Guard Corps (IRGC) official told state media that the drills were a “routine response to regional threats”, but analysts warn they could be a provocative signal to both the U.S. and its Gulf allies.

The timing of Trump’s intervention has complicated diplomatic efforts. A State Department spokesperson declined to comment on Trump’s remarks but emphasized that the U.S. remains “committed to diplomacy”. Meanwhile, Israeli officials, who have long opposed any revival of the JCPOA, have criticized the talks, with a senior Israeli security source telling reliable outlets that “engagement without preconditions is a recipe for disaster.”

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Who’s Involved—and What Are Their Goals?

The U.S.-Iran standoff now involves four key players, each with competing interests:

One critical question is whether Iran sees the current talks as a serious opportunity or a tactical delay. A 2023 report by the International Atomic Energy Agency (IAEA) found that Iran has expanded its nuclear program beyond 2015 limits, including advanced centrifuges capable of enriching uranium to weapon-grade levels in weeks. This raises doubts about whether Tehran will fully reverse course even if sanctions are lifted.

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Why This Matters: The Strait of Hormuz and Global Oil Markets

The Strait of Hormuz is the world’s most strategically vital waterway, through which 20% of global oil passes daily. Any disruption—whether by military action, sabotage, or blockades—could trigger a global energy crisis, with prices potentially surging by 50% or more, according to IHS Markit.

Historical precedents show how quickly tensions can spiral:

• 1988 Tanker War: Iran’s mining of oil tankers during its war with Iraq caused prices to double and led to a U.S. naval buildup in the region.
• 2019 Attacks on Saudi Aramco: Drone strikes on Abqaiq and Khurais oil facilities (linked to Iran-backed Houthi rebels) slashed Saudi output by 50%, sending prices to $70/barrel.
• 2021 Israel-Iran Tensions: A cyberattack on Iran’s Natanz nuclear facility (attributed to Israel) led to retaliatory threats but no direct conflict.

Today, the risk is higher because:

• Oil inventories are tight: Global stocks are at decades-low levels, leaving little buffer for supply shocks.
• Geopolitical fragmentation: The U.S. and its Gulf allies are divided on how to handle Iran, while China and Russia remain neutral but benefit from low oil prices.
• Iran’s asymmetric warfare: Tehran has demonstrated a willingness to use proxies (Hezbollah, Houthis) and cyberattacks rather than direct confrontation.

A senior oil analyst at Rystad Energy warned that “even a partial closure of the Strait of Hormuz could send shockwaves through markets, especially if combined with a cyberattack on global trading systems.” The Biden administration has pre-positioned naval assets in the region, but a direct U.S.-Iran clash remains a “low-probability, high-impact” scenario, according to a Pentagon assessment leaked to Congressional staff.

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How Trump’s Rhetoric Could Derail Diplomacy

Trump’s threat to “take over Iran” is not an isolated statement. Since leaving office, he has consistently adopted a harder line on Iran than the Biden administration, including:

• 2021: Called for “maximum pressure” sanctions, arguing that the JCPOA was a “disaster”.
• 2023: Promised to “bomb Iran” if re-elected, a stance that alarmed European allies.
• 2024: Accused Biden of being “weak” on Iran, while boosting ties with Saudi Arabia and Israel.

His latest remarks have three immediate effects:

1. Undermining Biden’s diplomacy: Iranian officials have privately expressed frustration with U.S. “inconsistency”, according to a Western diplomat. Trump’s comments risk being seen as a violation of the talks’ spirit, even if he has no official role.
2. Boosting hardliners in Tehran: Conservative factions in Iran’s Revolutionary Guard and parliament have long opposed negotiations. Trump’s rhetoric gives them ammunition to demand tougher terms.
3. Increasing market volatility: The $3 jump in oil prices following Trump’s speech reflects investor fears of supply disruptions. If tensions escalate, hedge funds and commodity traders could accelerate bets on higher prices.

A former CIA analyst specializing in Iran told reporters that “Trump’s comments are a gift to Iranian hardliners. They can now argue that the U.S. is not a reliable partner, which makes any deal with Washington politically toxic.”

Meanwhile, Biden officials are walking a tightrope. A senior administration source acknowledged that Trump’s remarks “complicate things,” but added that the “diplomatic track remains open”. The challenge is balancing pressure on Iran with avoiding actions that could trigger a conflict.

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What Happens Next: Three Possible Scenarios

The next 60 days will determine whether the talks lead to de-escalation or escalation. Based on current trends, three outcomes are most likely:

1. Limited Deal on Nuclear Rollback (Most Likely):
   • Iran agrees to pause advanced enrichment in exchange for partial sanctions relief.
   • U.S. and EU monitor compliance closely but avoid full JCPOA revival.
   • Trump continues attacking the deal, but markets stabilize.
2. Strait of Hormuz Crisis (High Risk):
   • Iran tests a blockade or attack on shipping, triggering a U.S. military response.
   • Oil prices surge past $100/barrel, leading to global recession fears.
   • Talks collapse entirely, with Iran accelerating nuclear progress.
3. Diplomatic Deadlock (Least Likely but Possible):
   • No agreement reached; sanctions remain in place.
   • Iran expands nuclear program, increasing regional instability.
   • Trump wins 2024 election and abandons talks entirely.

One wildcard is the role of China and Russia. Both countries have opposed U.S. sanctions on Iran and could block any UN Security Council action if tensions rise. A Chinese diplomat recently stated that “regional conflicts must be resolved through dialogue, not force,” a clear signal that Beijing prefers stability over U.S. dominance.

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Key Questions: What Readers Are Asking

Q: Could Iran actually close the Strait of Hormuz?

A: While Iran has the military capability to disrupt shipping—through mines, missiles, or proxy attacks—a full blockade would risk retaliatory strikes. Historically, Iran has avoided direct conflict with the U.S. naval presence in the region. However, asymmetric tactics (like cyberattacks or Houthi strikes) are more likely.

Q: Would Trump’s threat to “take over Iran” lead to war?

A: Unlikely in the short term, but his rhetoric increases the risk of miscalculation. Trump’s comments are political posturing, but if Iran perceives them as a direct threat, it could escalate its own actions. The bigger concern is that his remarks embolden hardliners in both Tehran and Washington.

Q: What would a revived JCPOA actually look like?

A: The original 2015 deal required Iran to limit uranium enrichment to 3.67%, reduce its stockpile, and allow IAEA inspections. In return, sanctions were lifted. Today, Iran has breached most limits, so any new deal would likely include stricter monitoring and phased sanctions relief. The U.S. may also demand constraints on Iran’s missile program and regional influence.

Q: How would oil prices react if the Strait of Hormuz is threatened?

A: Prices would spike sharply, with Brent crude potentially reaching $90–$110/barrel if shipping is disrupted. The U.S. Strategic Petroleum Reserve could offset some impact, but long-term supply concerns would dominate. Refineries in Asia—70% of global oil demand—would face delivery delays, leading to higher gasoline costs worldwide.

Q: Could Israel attack Iran’s nuclear sites?

A: Israel has conducted cyberattacks and sabotage operations against Iran in the past (e.g., Stuxnet virus, Natanz explosion). However, a large-scale military strike would risk regional war. With U.S. diplomacy ongoing, Israel is likely waiting to see if talks fail before taking action.

Q: What’s the worst-case scenario?

A: A direct U.S.-Iran confrontation in the Strait of Hormuz, leading to massive oil price shocks, global recession, and a broader Middle East war. While unlikely, the risk has increased due to Trump’s rhetoric and Iran’s aggressive posturing. The Biden administration is reportedly preparing contingency plans, including evacuation protocols for U.S. citizens and military reinforcement.

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The next two months will test whether diplomacy can outpace rhetoric. For now, the Strait of Hormuz remains the most dangerous flashpoint, with every side calculating whether the risks of escalation outweigh the benefits of restraint. What’s certain is that the world is watching—and markets are already pricing in the uncertainty.