US Vice President JD Vance has again signaled that the White House is prepared to use force against Iran if diplomacy fails, raising the stakes around a 60-day memorandum of understanding (MOU) that has halted open hostilities but left the core disputes unresolved. In an interview on The Michael Knowles Show released on June 30, Vance cast the US approach toward Iran as a stark choice: a longer-term agreement anchored in permanent, verifiable nuclear inspections, or renewed military action to preserve what Washington sees as gains already secured.…