The US’s historic allies are still struggling to understand these changes. Even more important, they are struggling to respond to them. Events such as those in Caracas raise stark questions of power. They embody the exact same reality that President Trump delights in celebrating. The US is a superpower. Allies, including the UK, are not. These questions are not going to disappear. The British government should not be condemned for each hesitation. But the hesitations cannot continue indefinitely. Britain needs a grown-up debate and a clear new course of international direction.