"I think it will be absolutely imperative in this next summit that we come away with a plan for identifying all of the weapons in question, identifying all the development sites, allowing for inspections of the sites and the plan for dismantling nuclear weapons,” the vice president said in the interview.
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A planned meeting between US Secretary of State Mike Pompeo and North Korean Vice Chairman Kim Yong Chol scheduled for earlier this month in New York was postponed but is expected to be rescheduled.
The long-standing tensions on the Korean Peninsula started to ease after Kim committed to denuclearizing and held historic summits with Trump and South Korean President Moon Jae-in.