The Brits still have a secret weapon to try on Trump in the war over Greenland

British officials went to bed on Monday thinking they had averted a crisis. They woke up in the middle of an even deeper row over Greenland, tiny specks of rock in the Indian Ocean, and whether they should deploy their ultimate Trump card: King Charles.

Once again, President Donald Trump had upended everything with an early-hours Truth Social post.

It was all so different on Monday evening, when Secrets was chatting with sources. Crisis, the Brits believed, had been averted by the rational application of cool heads and a dose of logic.

A call from Sir Keir Starmer, the prime minister, to Trump had set things straight. It had all been a simple misunderstanding. 

The European troops sent to the rocky island were not there as an expeditionary