We must move away from the old notion that a peace regime can only be discussed after the North Korean nuclear issue is resolved ... We need to pursue a phased and pragmatic solution. It is time for a paradigm shift.

A step-by-step process toward peaceful coexistence and denuclearization should proceed in three stages -- freeze, reduction and denuclearization.

As agreed in the 2018 Singapore summit between North Korea and the U.S., both sides should immediately resume talks to end mutual hostility and establish a new relationship.

The resumption of U.S.-North Korea dialogue will serve as a powerful catalyst for opening four-party talks among the U.S., China and the two Koreas, who are the key stakeholders in achieving lasting peace on the Korean Peninsula.

We can begin with a four-party dialogue among the ROK, the DPRK, the U.S. and China.