Vance says US seeks advances in nuclear and Lebanon discussions US Vice President JD Vance said he hopes upcoming talks with Iran in Switzerland will produce progress on both Tehran's nuclear programme and efforts to strengthen the ceasefire in Lebanon. Speaking to reporters before departing for Switzerland, Vance said: "We hope to make progress on the nuclear issue and the ceasefire in Lebanon," adding that "Israel and Lebanon want security". Vance said the negotiations would last two days and described them as an opportunity to move the diplomatic process forward.