North Korea could conduct a nuclear test at "any time" while Washington's response to such a provocation would be taken in "very close" coordination with its two Asian allies, U.S. special envoy for North Korea Sung Kim said Tuesday.But the U.S. government will remain open to dialogue with North Korea toward the denuclearization of the Korean Peninsula even if Pyongyang moves ahead with its first nuclear test since 2017, he said."On timing, I don't have anything more. They have obviously done the preparations in Punggye-ri (test site), and my understanding is they could test any time," Kim …READ FULL ARTICLE