Trump: "Khamenei should be very worried now"

US President Trump threatened during an interview with NBC on the 4th that if Iran attempts to restart its nuclear program, the US military will launch another military strike. Trump said that Iran is considering building new nuclear facilities elsewhere, "we have found out about this," and if Iran really does so, the US will take action. Iran's Supreme Leader, Ayatollah Khamenei, "should be very worried." Trump also said that Iran is negotiating with the United States.