The next summit between President Donald Trump and North Korean leader Kim Jong Un has been set for the end of February in Vietnam. And sure enough, in Singapore Trump made his “greatest ever” and “never before” claims about the summit declaration of “complete denuclearization,” while after the summit Kim got to define the sequencing (only operating on a step-by-step basis tied to sanctions lifting and other benefits along the way) and scope (not just North Korea’s own arsenal, but also inclusive of the U.S. “nuclear umbrella” extended deterrence guarantee to South Korea and Japan, as affirmed as recently as 2017).