BERN, Switzerland — North Korean government officials have been quietly trying to arrange talks with Republican-linked analysts in Washington, in an apparent attempt to make sense of President Donald Trump and his confusing messages to Kim Jong Un’s regime. The outreach began before the current eruption of threats between the two leaders, but will likely become only more urgent as Trump and Kim have descended into name-calling that, many analysts worry, sharply increases the chances of potentially catastrophic misunderstandings. “Their No.