Finding accord on a verifiable path to nuclear disarmament

The world must have the technical solutions to guarantee the credibility of countries’ promises if denuclearisation is to succeed, write Piet de Klerk and Robert Floyd.

As officials from the United States and North Korea prepare for the June 12 summit meeting between Donald Trump and Kim Jong-un, nuclear experts must come to terms with a significant question: If Kim commits to dismantling his nuclear stockpile, how can the world be sure he is following through?