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Graham says Iran talks will fail, warns Trump of Hormuz

Published 21 June 2026

Senator Lindsey Graham predicted on Sunday that ongoing diplomatic negotiations between the United States and Iran are likely to fail and warned that President Donald Trump is prepared to seize the Strait of Hormuz by force if they do. The South Carolina Republican made the comments during an interview on CBS News' "Face the Nation," outlining a scenario of military escalation and regional realignment should the talks collapse.

Graham stated that he supports attempting diplomacy but is deeply skeptical of the current process, which began after the U.S. and Iran signed a 14-point memorandum of understanding last week. That agreement launched a 60-day negotiating period aimed at reaching a broader peace agreement. Vice President JD Vance and other U.S. negotiators were meeting with Iranian officials in Switzerland on Sunday to begin those talks.

"If you don't have a diplomatic path through the MOU, then you have to go to war or some other form of coercion," Graham said. "Let's try this. Let's try a diplomatic solution. I think it's going to fail."

The senator, who said he spent four-and-a-half hours with President Trump on Friday, described what he believes would follow a...

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