King Charles, in his role as head of the Church of England as well as monarch, is Britain’s soft power super weapon against Trump’s rule at a particularly sensitive time, writes world affairs editor Sam Kiley

The king faces possibly his most important ever speech and a thin-skinned president, in the shadow of the Sussexes and the Epstein scandal. What could go wrong?

The King arrives in the US in the wake of more political violence – and with the special relationship in its worst state for decades. But despite the backdrop, Charles is uniquely…