North Korea is much bigger than a nuclear issue: Expert

3:10 AM ET Fri, 1 March 2019

David Kang of the USC's Korean Studies Institute says the door is still open for the U.S. and North Korea to have further discussions in future. He also says U.S. President Donald Trump has been "remarkably kind" to the North Korean leader, and notes that both sides did not return to "threats and name-calling."