Kim Jong Un says nuclear button to hit US is ‘always on my desk’

In this photo provided by the North Korean government, North Korean leader Kim Jong Un delivers his New Year's speech at an undisclosed place in North Korea Monday, Jan. 1, 2018. Kim said Monday the United States should be aware that his country's nuclear forces are now a reality, not a threat. Independent journalists were not given access to cover the event depicted in this image distributed by the North Korean government. The content of this image is as provided and cannot be independently verified. Korean language watermark on image as provided by source reads: "KCNA" which is the abbreviation for Korean Central News Agency. (Korean Central News Agency/Korea News Service via AP)

SEOUL, South Korea –– Kim Jong Un Monday repeated claims that he could hit the U.S. with a nuclear weapon, saying that its deterrent is “irreversible” and would prevent President Donald Trump from starting a war.