North Korea: Prof Joseph DeThomas

An authority on North Korea and war is warning about the very real possibilities of Donald Trump and Kim Jong Un's war of words becoming an actual war. Professor Joseph DeThomas is a former US ambassador and worked for 32 years in the US state department. Most recently he worked as an adviser to that department on implementing sanctions and attempting to impede the weapons of mass destruction efforts for Iran and North Korea. He offers an insight into how the US-North Korea situation could unfold.