Vance: Some progress made in nuclear talks, but Iran still unwilling to accept US red lines

Jacob Magid is The Times of Israel's US bureau chief

US Vice President JD Vance speaks on the final day of Turning Point USA's annual AmericaFest conference at the Phoenix Convention Center on December 21, 2025. in Phoenix, Arizona. (Caylo Seals / GETTY IMAGES NORTH AMERICA / Getty Images via AFP)
US Vice President JD Vance speaks on the final day of Turning Point USA's annual AmericaFest conference at the Phoenix Convention Center on December 21, 2025. in Phoenix, Arizona. (Caylo Seals / GETTY IMAGES NORTH AMERICA / Getty Images via AFP)

US Vice President JD Vance says that while some progress was made in the US’s talks today with Iran over its nuclear program, the Islamic Republic is not willing to accept some of Washington’s red lines.

“One thing about the negotiations this morning is — in some ways it went well. They agreed to meet afterward, but in other ways it was very clear that the president has set some red lines that the Iranians are not yet willing to actually acknowledge and work through,” Vance says in an interview with Fox News.

Elaborating a bit on what those red lines are, Vance says the US will not allow Iran to obtain a nuclear weapon, arguing that it would lead to an arms race across the world that would be dangerous for America.

He says US President Donald Trump “reserves the ability” to say that diplomacy has run its course. Trump previously threatened Iran with military strikes and has built up US forces in the Middle East, but recently has expressed commitment to the talks with Iran.

“We’re going to keep on working it, but of course, the president reserves the ability to say when he thinks that diplomacy has reached its natural end. We hope we don’t get to that point, but if we do, that will be the president’s call,” he adds.

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