The Trump administration is wary of engagement with the North, which has been subjected to increasingly tough worldwide sanctions, unless it shows clear signs of giving up its nuclear weapons program.
The North Korean taekwondo athletes arrived South this week and performed at the Pyeongchang Olympic Games opening ceremony on Friday as part of four performances during their nine-day trip. Earlier on Saturday, Kim invited Moon for talks in Pyongyang, setting the stage for the first meeting of Korean leaders in more than 10 years.
"The president (of the IOC, Thomas Bach, ) nearly as a bridge sat between the president of the Republic of Korea and the honorary head of state of the DPRK last night and they were talking throughout the hockey", Adams said, using the abbreviation for North Korea's official name, the Democratic People's Republic of Korea.
Such a meeting, if it came about, would mark the first inter-Korea summit since 2007. The Pences, seated next to Moon and just a row ahead of Kim and the North's 90-year-old nominal head of state, remained in their seats, unsmiling.More news: Pakistani Taliban senior commander confirmed killed by United States drone
He didn't say what those conditions were, but he urged North Korea to open a dialogue with the United States, suggesting no diplomatic progress could be made without USA participation. In a news conference last month, he said he was not interested in "talks for talks' sake".
"For now the North is asking for a price that is too high, and the USA is not willing to buy at that price", Kim told Seoul's JoongAng Ilbo daily.
A power play? Perhaps. The United States fought with South Korea and maintains tens of thousands of troops and an "ironclad" agreement to protect its ally.
The alliance of North and South Korean Olympic hockey teams was skating on thin ice Saturday when cheerleaders from the Hermit Kingdom appeared to wear masks depicting the nation's first Communist leader, Kim Il Sung.
"The female ice hockey players from the two Koreas are now holding a small snowball in their hands", he said.More news: Shah Rukh Khan goes under water for 33.3 million Twitter followers
'We have to put this in context. The crowd at Kwandong Hockey Centre came alive each time Korea took possession, as did North Korea's all-female cheerleading squad. The supporters waved blue and white flags that showed an undivided Korean Peninsula.
North Korean Jong Su Hyon had one of Korea's three shots in the opening period. Indeed, it is hope and peace which have been the opening narrative of these Games.
Pence, who did not have any public schedule in Seoul on Saturday, made his feelings about Moon's outreach to North Korea very clear Friday.
Pence said Friday that the US would oppose talks between the two Koreas until the North agreed to open negotiations on ending its nuclear program, and he was silent Saturday on the news of the invitation.
"If the broker tries too hard to convince both sides when the price gap is simply too high, he will end up getting criticised by them both".More news: Salman Khan, Sonakshi Sinha reunite in their next Welcome To New York
Yoon Young-seok, an opposition party member of parliament and chairman of the foreign affairs and unification committee, said he is skeptical of the initiative because it doesn't contain a specific plan toward getting North Korea to abandon its nuclear program. But at these Olympics they are intertwined. Wearing a black coat and with her hair pulled back, she presents a marked contrast to the ceremonial head of North Korea's government - the often expressionless Kim Yong Nam, 90. She also repeated the invitation directly to Moon to visit at a time convenient to him, he said.
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