Trump and Kim will hold their historic meeting on Sentosa, off Singapore's main island, while Trump will reportedly stay in the five-star Shangri-La.
His tweets come hours after the president told reporters at the G-7 summit that he would know within the first minute of meeting Kim whether the North Korean leader is serious about reaching a deal with the United States.
Kristof's take? We're more likely to see agreements to freeze nuclear development in North Korea, with vague promises to relinquish nuclear weapons a long time in the future. "I feel they were trying to intimidate me, but if I got deported it would have been big news". Kim Jong-un, meanwhile, is pursuing a long-sought North Korean demand for a treaty that may be aimed at getting United States troops off the Korean Peninsula and, eventually, paving the way for a North Korean-led unified Korea.
At a news conference with Japanese Prime Minister Shinzo Abe on Thursday, Trump said he might extend an invitation to Kim to visit Washington.
"I think President Trump signed onto this thinking that he was going to ride in on a white horse to Singapore, accept a bunch of nuclear warheads, and problem solved", Kristof says.
A delicate aspect of the Trump-Kim summit is that the United States is meeting with a de facto nuclear state that desires détente without denuclearization, while the U.S. wants détente in exchange for denuclearization. But he also said, "If North Korea's goal is, as it might well be, to end USA sanctions and normalize bilateral relations, then they should know that won't happen as long as the regime treats its citizens as it does now". And if I think it won't happen, I'm not going to waste my time. I also think I'll know whether or not it will happen fast.
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What's at stake for North Korea and the USA when their two leaders meet in Singapore for talks next week.
"I think it would be an asset to have Russian Federation back in, it would be good for the world".
When asked about eventual normalization of ties, he said: "That is something I would hope to do that when everything is complete".
Kim, the 39-year-old founder of People for Successful Corean Reunification (PSCORE), escaped North Korea when he was 19 years old. North Korea has previously used the term to demand the US pull thousands of troops out of South Korea and end its so-called "nuclear umbrella" agreement to protect South Korea, which lacks nukes. Isolated North Korea has long craved global recognition and the prestige of being seen as a nuclear state. "There are many people in the press who are unbelievably dishonest". It was only upon arriving in South Korea that Kim said he realized "how unhappy we were".
"You know, President Trump has talked about a Nobel Peace Prize, he certainly isn't going to get it. Kim Jong-un isn't going to get it. Moon Jae-in, who knows?", Kristof shrugs.
This city-state of 5.5 million people bustled with anticipation as workers raced to finish security preparations for an event with little modern-day precedent.
"The haters say, 'Oh, you're giving him a meeting!' Give me a break", Trump said.