Donald J. Trump’s second term brings uncertainty to the Korean Peninsula as nuclear tensions run high. North Korea’s leader may see a chance to re-engage.

The second Trump administration will face an emboldened and arguably more dangerous North Korean leader at a moment of acute alarm among the US and its allies about the threat posed by Kim Jong Un’s regime.

Tokyo — Thousands of North Korean soldiers in Russia are believed to be there to aid Moscow’s war against Ukraine, a massive and unprecedented mobilization of troops by Pyongyang for a faraway war that complements the munitions already provided to Moscow by the regime.