No nuclear button but Kim Jong Un can exploit weak US-South Korea ties

Kim's offer, which follows repeated requests for dialogue from South Korea, adds to tensions that have lingered between Trump and Moon

North Korean leader Kim c may not really have a nuclear button on his desk, but he has found a way to undermine the unity of his two principal foes: South Korea and the U.S.

Kim used his New Year’s address to boast of his metaphorical nuclear button while also offering direct talks with Seoul. The offer was quickly accepted by South Korean President Moon Jae-in, underscoring differences between the U.S. and its long-time ally over confronting North Korea’s nuclear weapons program.

While President Donald Trump has been wary of negotiations unless Kim first abandons his nuclear ambitions -- at