CHARLESTON, S.C. (WCIV) — Sen. Lindsey Graham said Sunday he expects U.S. diplomacy with Iran to fall short, warning that the Trump administration could move to seize control of the Strait of Hormuz if negotiations collapse.“Let’s try a diplomatic solution. I think it’s going to fail. What happens next?” the South Carolina Republican said on CBS’ “Face the Nation.”Graham’s remarks come as U.S. officials, including Vice President JD Vance, meet Iranian counterparts in Switzerland to begin a 60-day negotiation period following a newly signed memorandum aimed at easing tensions and addressing Iran’s nuclear program. READ MORE | Lindsey Graham voices...