Hayley stressed during the interview that USA tension with North Korea is a "serious situation, and [Kim] can't sit there and imply that he's going to destroy the United States without us reminding him of the facts and the reality that if you go there, it's not us that's going to be detroyed, it's you".
"The president has made very clear that were going to do everything we can to do that in a way that doesn't involve military action", Pompeo said, "but has equally made clear that we're not going to stand for allowing Kim Jong Un to hold Los Angeles, or Denver, or NY at risk".
High-level officials from the two Koreas are slated to talk Tuesday about North Korea's possible participation in the Winter Olympics next month in South Korea, but it's uncertain whether longer-term relations between the two countries will be discussed.
The decision to hold the bilateral meeting came after the North Korean leader, Kim Jong-un, expressed in his New Year's message a desire for rapprochement with the South and to send a North Korean delegation to participate at the PyeongChang games, which led Seoul and Washington to postpone their annual joint military drill - seen by the North as a rehearsal for invasion - until after the Games.
U.S. President Donald Trump on Saturday called the talks "a big start", saying he hopes for some progress from the negotiations. Haley told Stephanopoulos that the rogue nation has to stop conducting nuclear tests and must be willing to discuss nuclear weapons before any talks can take place.
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But North Korea, which is weak in winter sports, now has no athletes qualified to participate in the Pyeonghang Games.
Trump gave an unusual news conference from the Camp David presidential retreat, where he met with Republican lawmakers.
Talks between the two Koreas hosted by IOC President Thomas Bach will take place at the Olympic movement's headquarters in Lausanne on Tuesday. Of the upcoming talks between Seoul and Pyongyang, Trump said, "I hope it works out".
"The two leaders agreed to de-conflict the Olympics and our military exercises so that United States and Republic of Korea forces can focus on ensuring the security of the Games", a White House statement said. "If something can happen and something come out of those talks, that would be a great thing for all of humanity, that would be a great thing for the world", he said.
"You have to have a certain attitude and you have to be prepared to do certain things and I'm totally prepared to do that", Trump said, contending his tough words have helped persuade the North to sit down with the South. South Korea is sending its top official on North Korea, Unification Minister Cho Myoung-gyon.