Trump’s new right sees the continent as both ancestral home and ideological battleground. From the vice-president down, US officials have cast themselves as being on a mission to save western civilisation from the continent they see as its cradle. Mass migration, curbs on speech and the surrender of national sovereignty, they argue, threaten not only the transatlantic relationship but the very idea of Europe. “We don’t save the west if Europe doesn’t get its act together,” said Kevin Roberts, president of the Heritage Foundation, the conservative think-tank that helped to draw up the agenda for Donald Trump’s second term. “I’ve been worried for a long time, for the better part of two decades, that Europe was committing civilisational suicide.” “The civilisation that we’re defending is 3,500 years old,” he added, tracing it back through Jerusalem, Athens, Rome, London and Philadelphia. Maga’s stark new theory of the Atlantic alliance was set out by the US vice-pre...