Those sizeable caveats aside, the Danish vote – and a significant week in European politics more generally – offers the continent’s progressives some reasons to be cautiously cheerful. The forward march of the populist right has not been halted, as recent state election results in Germany also attest. But there are signs that Mr Trump’s deepening unpopularity, and his illegal and economically reckless war on Iran, may be contributing to a subtle change in the political weather.