Chinese leader Xi Jinping's visit to North Korea this week has put the world on notice that Kim Jong-Un's nuclear program, and ambitions, are stronger than ever. But has Donald Trump taken note?

Today, international and political editor Peter Hartcher on how North Korea has gone from global pariah to earning the respect of some of the world’s great capitals.

Background reading

• The Chinese president has arrived in North Korea. The world is watching
• Xi Jinping is feted in Pyongyang as Kim Jong-un swivels to Moscow

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