How the Iran war increases the global nuclear threat

One of Donald Trump’s stated reasons for going to war with Iran is to destroy the nuclear threat he says it poses. But by starting the conflict has he made the world less safe? There are concerns around what happens to Iran’s enriched nuclear material and the lessons other countries will take from Iran’s being hit while remaining at the threshold short of getting a bomb. Today, Kelsey Davenport from the Arms Control Association on why it could all lead to more nuclear weapons around the world. Featured: Kelsey Davenport, Director for Nonproliferation Policy at the Arms Control Association