The South Korean government must advance talks between Washington and Pyongyang without full clarity on North Korea's definition of denuclearization.

Mount Kumgang and the Kaesong Industrial Complex will likely be considered for sanctions relief in upcoming negotiations. A range of factors will need to be considered.

Building a fairer economy will require shifting the balance of power between small businesses and chaebols - and the Moon administration can do more.

Congress looks to reduce uncertainty in U.S. foreign policy by establishing constraints around the administration, but it is unlikely to be successful.

Seismic activities in the area around North Korea's nuclear testing site raise questions about future earthquakes, and even possibly volcanic activities.

With substantive progress on the denuclearization of North Korea in doubt, providing humanitarian aid could demonstrate U.S. goodwill at this critical time.