The Implausibility of the ‘Vietnam Model’ for North Korea: The Security Factor North Korea at present is not in the same position that Vietnam was in 1986, in large part due to differences in the security environment. By Khang Vu for The Diplomat November 28, 2020 Credit: John Pavelka / FlickrAdvertisement During the first summit between North Korea’s Chairman Kim Jong Un and South Korea’s Presi..