Vice President JD Vance detailed the failure of diplomatic efforts with Tehran, arguing that Iran’s decision to build enrichment facilities 70 feet underground proves their nuclear program was never intended for civilian use. #foxnews #news #us #fox Don’t just watch Fox News—be part of it. Become a Fox News Patriot today. https://youtube.com/foxnews/join Subscribe to Fox News: https://bit.ly/2vBUvAS Watch more Fox News Video: http://video.foxnews.com Watch Fox News Channel Live: http://www.