MSNBC presenter Joe Scarborough made the comments alongside Mika Brzezinski as they discussed Trump's upcoming summit with Kim Jong Un.
North Korean official media warned that the "rough handling of inter-Korean relations and DPRK-U.S. ties may incur grave consequences."
"Vietnam stands ready to share its experience in national construction, socio-economic development and international integration," an offer that may interest North Korea's Kim Jong Un.
The former CIA agent pointed to satellite imagery and intelligence reports that have shown the Asian nation has actually expanded or enhanced its capabilities.
"North Korea's diplomacy has taken an unprecedented tactical course, which is tailor-made for Trump," warned Thae Yong Ho, a former North Korean deputy ambassador to Britain who defected in 2016.
"There ain't no learning in the second kick of the mule here," said a former deputy director of the CIA's Counterterrorism Center.
President Donald Trump said on Friday that he had received "the most beautiful copy" of a five-page letter written by Prime Minister Shinzo Abe nominating him for the international prize.
"One imagines that's how these characters are perceived, they create fear all around the world, and that's sort of the point of carnival, and to bring that out through colors and costume," float creator Cedric Pignataro said.
"We currently assess that North Korea will seek to retain its WMD capabilities and is unlikely to completely give up its nuclear weapons," Director of National Intelligence Dan Coats said.
"Clothing made from artificial flannelette fabrics composed of trace elements such as high-grade protein, amino acids, fruit juice, magnesium, iron and calcium," read a translated spread from a men's fashion magazine.
North Korea will "wait with patience and in good faith and, together with the U.S., advance step by step toward the goal to be reached by the two countries," Kim Jong Un said.
Trump and Secretary of State Mike Pompeo met Friday with Kim Yong Chol, vice chairman for the central committee of the ruling Korean Workers' Party.
A high-level North Korean official is meeting with Secretary of State Mike Pompeo on Friday.
President Donald Trump wanted North Korean leader Kim Jong Un to know he "has a very friendly view" of him, South Korean President Moon Jae-in said.
The 25-year-old said that many North Koreans are "indifferent" to Kin Jong Un's leadership and feel no loyalty to him.
The Korean State News Agency did not say what kind of weapon was tested, but noted Kim Jong Un was "so excited."
At least 16 bases were continuing research.
The North Korean leader wants more assurances from the U.S.
"Portraits, slogans and posters form the core of a message for a socialist country," says Yang Moo-jin, a professor at the University of North Korean Studies.
Powerful men "considered us [sex] toys," one woman said.
The push for peace between the two countries is gathering steam.