Zbigniew Brodka carries the flag of Poland during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Michael Sohn)

Members of the United States team wave during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Jae C. Hong)

Members of the United States team walk during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Jae C. Hong)

Members of the United States team wave during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Vadim Ghirda)

Members of the United States team arrives during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Petr David Josek)

The Olympic torch bearers ascend to light the cauldron during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Sean Haffey/Pool Photo via AP)

The United State Vice President Mike Pence, right, and his wife Karen Pence applaud during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Jae C. Hong)

A dancer performs during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Michael Sohn)

Kim Yong Nam, top left, president of the Presidium of North Korean Parliament, and Kim Yo Jong, sister of North Korean leader Kim Jong Un, top right, sit behind U.S. Vice President Mike Pence, bottom left, and Japanese Prime Minister Shinzo Abe, bottom right, as they watch the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Patrick Semansky, Pool)

South Korean Olympic figure skating champion Yuna Kim performs before lighting the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

Yuna Kim, former South Korean figure skater lights the Olympic cauldron during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Julie Jacobson)

The Olympic flag is raised during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Julie Jacobson)

Fireworks explode around the Olympic Stadium during the opening ceremony at the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Kirsty Wigglesworth)

South Korean Olympic figure skating champion Yuna Kim lights the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

The Olympic flame is lit during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Dmitri Lovetsky)

Fireworks explode behind the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

The Olympic flame is lit during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Gregorio Borgia)

Athletes and attendees are transported following the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Gregorio Borgia)

South Korean Olympic figure skating champion Yuna Kim lights the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

Performers watch as fireworks explode during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

South Korean President Moon Jae-in, left, stands alongside first lady Kim Jung-sook as the South Korean national anthem is played at the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Patrick Semansky, Pool)

Fireworks explode behind the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

Fireworks explode behind the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

Fireworks explode over the Olympic Stadium during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Dmitri Lovetsky)

Singers Lee Eun-mi, front, Jeon In-kwon, right, An Ji-yeong and Ha Hyun-woo, left, perform during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

South Korean Olympic figure skating champion Yuna Kim, right, takes the tourch from North Korea's Jong Su Hyon, left, and South Korea's Park Jong-ah during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

South Korean Olympic figure skating champion Yuna Kim lights the Olympic flame during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

North Korea's Jong Su Hyon, left, and South Korea's Park Jong-ah carry the torch during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip,Pool)

Fireworks explode over the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

Thomas Bach, president of the International Olympic Committee, speaks during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

Tonga flag bearer Pita Taufatofua poses with a volunteer and teammates during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018.(Clive Mason/Pool Photo via AP)

Athletes from Sweden pose for a picture during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

An athlete from team USA points during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

German athletes take a selfie during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

Athletes from Jamaica take a selfie during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (Clive Mason/Pool Photo via AP)

A young performer participates in the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/David J. Phillip, Pool)

Athletes from Great Britain enter the Olympic stadium during the opening ceremony of the 2018 Winter Olympics in Pyeongchang, South Korea, Friday, Feb. 9, 2018. (AP Photo/Charlie Riedel)