US Vice President JD Vance said that the US has no flexibility on two demands - the control of Iran's enriched uranium and a system to ensure it does not develop a nuclear weapon in the future. WASHINGTON: United States Vice President JD Vance said on Monday (Apr 13) that Washington has made its red lines clear in talks with Iran on ending the Mideast war and it is now up to Tehran to take action. Vance led a delegation that met with Iranian officials in Pakistan over the weekend, but the talks