Just hours after Vice-President J.D. Vance pitched a plan for Iran to spend unfrozen funds on US farm exports, Donald Trump insisted that American farmers were “very happy” with the proposal, saying he had received numerous calls of support. But some farmers dismissed the plan as unrealistic and accused the US president of misleading growers ahead of the midterm elections. Speaking ahead of his departure from the Swiss Burgenstock resort, where he led the US delegation for this weekend’s round...