Not content with the capture of Venezuelan President Nicolas Maduro, Donald Trump spoke to reporters on Air Force One and appeared to spell out the countries now in his line of sight.

Colombia is "very sick", according to President Trump. Iran will get "hit very hard" if it kills anti-government protestors. Cuba is "ready to fall", he declared. And, in words that have sparked concern across Europe, he repeatedly declared that America "needs Greenland" from a national security perspective, and that Denmark is incapable of defending it properly.

It seems something of a damascene conversion from Trump, who was elected on the promise of no more foreign wars. And, given the intervention in Caracas went smoothly, what's to think he will stop there?

Does this mark a profound shift in the international order? Could America seriously annexe territory from a fellow NATO member? And how should Keir Starmer and other European allies react to such a remarkable change in approach?

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