The decision last week to accept Kim Jong Un’s invitation to meet was perhaps the boldest and most important foreign policy decision made by President Trump to date. The gravity, complexity, and far-reaching consequences of this decision notwithstanding, few familiar with Trump’s temperament or leadership style are surprised to learn that it was made quickly and unilaterally.

The big picture

The shift in policy has left administration officials scurrying to adapt while also trying to project continuity and unity. Some officials have admitted being surprised by the President’s choice. Others – such as