William R. Richardson: “Most importantly, I commend them for having this initial meeting between the President and Kim Jong-un alone.”

What needs to happen is the Six-Party countries, South Korea, the United States, Japan, Russia, China, especially China that has leverage over North Korea, need to say to the North Koreans, 'Look, release these three individuals.'

This is an economic security issue too.

It's a positive sign, the fact that you had all the foreign ministers in one room, especially Ukraine and Russia, although Russia refused to talk directly with a Ukrainian.

China has not exactly helped us when it comes to moderating North Korea.