In this photo provided by the North Korean government, North Korean leader Kim Jong Un attends a Workers' Party meeting in Pyongyang, North Korea, Friday, June 18, 2021. Kim ordered his government to be prepared for both dialogue and confrontation with the Biden administration — but more for confrontation — state media reported Friday, days after the United States and others urged the North to abandon its nuclear program and return to talks. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)

In this photo provided by the North Korean government, North Korean leader Kim Jong Un speaks during a Workers' Party meeting in Pyongyang, North Korea, Friday, June 18, 2021. Kim ordered his government to be prepared for both dialogue and confrontation with the Biden administration — but more for confrontation — state media reported Friday, days after the United States and others urged the North to abandon its nuclear program and return to talks. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)

U.S. Special Representative for North Korea Sung Kim arrives at Incheon International Airport in Incheon, South Korea, Saturday, June 19, 2021. Sung Kim arrived in South Korea on Saturday for talks over stalled nuclear diplomacy with the North. (Im Heon-jung/Yonhap via AP)

U.S. Special Representative for North Korea Sung Kim, center, arrives at Incheon International Airport in Incheon, South Korea, Saturday, June 19, 2021. Sung Kim arrived in South Korea on Saturday for talks over stalled nuclear diplomacy with the North. (Im Heon-jung/Yonhap via AP)

In this photo provided by the North Korean government, North Korean leader Kim Jong Un, center, attends a Workers' Party meeting in Pyongyang, North Korea, Friday, June 18, 2021. Kim ordered his government to be prepared for both dialogue and confrontation with the Biden administration — but more for confrontation — state media reported Friday, days after the United States and others urged the North to abandon its nuclear program and return to talks. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)

In this photo provided by the North Korean government, North Korean leader Kim Jong Un speaks during a Workers' Party meeting in Pyongyang, North Korea, Friday, June 18, 2021. Kim ordered his government to be prepared for both dialogue and confrontation with the Biden administration — but more for confrontation — state media reported Friday, days after the United States and others urged the North to abandon its nuclear program and return to talks. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. (Korean Central News Agency/Korea News Service via AP)