2) Full disclosure and inspections

By definition, a pledge to halt the production of nuclear material means getting North Korea to first come clean on what it has where, said Bruce Klingner, a former CIA deputy division chief for Korea who is now a senior fellow at the conservative Heritage Foundation.

“We need a commitment to providing a data declaration on all of its nuclear missile programs — that would be production facilities as well as the arsenal itself,” Klingner said. “That includes plutonium processing, uranium enrichment, refining of the fissile material, tritium production, the list goes on. Hopefully, North Korea will put more meat on the bones.”

He also sees a pressing need for both sides to put down on paper what they define as “denuclearization,” so that the common goal is crystal clear.