Vice President JD Vance tells Fox News that Iran is refusing to agree to non-negotiable terms that would permanently prevent them from building a nuclear weapon. With a significant U.S. military buildup in the region, Trey Yingst breaks down what happens if diplomacy fails. #Iran #NuclearWeapons #JDVance #TreyYingst #BreakingNews #FoxNews #Israel #NationalSecurity #foxnews #news #us #fox Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox