Kim Jong Un vows to improve ties with outside world at party meeting

In this photo provided by the North Korean government, North Korean leader Kim Jong Un attends a ruling party congress in Pyongyang, North Korea (Korean Central News Agency/Korea News Service via AP)
In this photo provided by the North Korean government, North Korean leader Kim Jong Un attends a ruling party congress in Pyongyang, North Korea (Korean Central News Agency/Korea News Service via AP)