"One, in the last eight months you haven't seen missile launches", she added, referring to North Korea's former habit of provocatively testing ballistic missiles.
Pompeo is slated to visit Pyongyang on Thursday to meet with Kim and flesh out a denuclearization agreement signed by the North Korean leader and U.S. President Donald Trump at their Singapore summit last month. The short joint statement did not define how that would be achieved or say when the process would begin or how long it might take.
That's what Bolton said during his interview with CBS' "Face the Nation," and it's the first time for a member of the Trump administration to publicly state a timeline for the North's denuclearization.
Recent revelations include an NBC News report that said U.S. intelligence agencies believe the North has increased its production of enriched uranium fuel for nuclear weapons at multiple secret sites in recent months. He said North Korea is increasing its production of nuclear materials at both secret and known centers. "I don't want a war with North Korea".
This comes on top of a Washington Post report that USA intelligence believes the North Koreans are planning to hide the number of warheads in their arsenal. Such missiles are more concerning to US military planners because they can be kept hidden while fueled, making them easier to deploy and harder to target during any attack. The official was not authorized to comment publicly on the matter and requested anonymity.
"It's unusual because it's nearly Diplomacy 101: Countries will always tell you what you want to hear", Zakaria said. "Physically we would be able to dismantle the overwhelming bulk of their programmes within a year".
Bolton said top USA diplomat Mike Pompeo will be discussing that plan with North Korea in the near future.More news: Sacha Baron Cohen Trolls Donald Trump, Seemingly Teases New Project
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".And as far as the one-year timeline, Ambassador Bolton said if North Korea makes the decision to denuclearize, their ballistics programs could be dismantled in a year".
Bolton said the U.S.is "going to try and proceed to implement what the two leaders agreed to in Singapore", specifically "how to dismantle all of their WMD and ballistic missile programs in a year".
Even that was viewed as bullish by non-proliferation experts considering the scale of North Korea's weapons program and its history of evasion and reluctance to allow verification of disarmament agreements. Since then, the North has not conducted any nuclear or missile tests.
Trump said in his Twitter post, echoing his sentiments following the historic meeting with Kim in Singapore.
Cronin, senior director of the Asia-Pacific Security Program at the Center for a New American Security, said he had heard from US and South Korea officials that Pompeo was expected to return to Pyongyang at the end of this week and that Sung Kim was working to prepare the way for that trip.
"I think a number of things have happened. I really believe he means it", Trump told Fox news.
Although face-to-face talks between the two parties resumed at the Demilitarized Zone over the weekend, new satellite imagery, first reported by the Wall Street Journal, showed North Korea has expanded a key missile-manufacturing plant - one that builds ballistic missiles that could target US military bases or allies in East Asia and re-entry vehicles with warheads that could reach the USA homeland, according to analysts from the Middlebury Institute of International Studies at Monterey, Calif.