A rally in support of US president Donald Trump outside the US embassy in Pretoria, South Africa. Trump and his allies accuse South Africa of discriminating against white people and warn the same could happen in the US. Photograph: Joao Silva/The New York Times Hans Christian Andersen had Donald Trump down to a T, his The Emperor’s New Clothes a perfect metaphor for the Trump age and the new diplomacy of sycophancy. The thin-skinned emperor, convinced of his own genius, flourishes in his nakedness as leaders the world over – pace Micheál Martin – lavish him with insincere flattery that...