If Republicans do not wish to repeat the mistakes of the German conservatives of the 1930s, they had better find their courage – and their conservatism – fast
  • Timothy Snyder is the Levin professor of history at Yale University
American war graves near the Dutch town of Margraten
American war graves near the Dutch town of Margraten. ‘During the 2016 campaign, Trump spoke of ‘America first,’ which he knew was the name of political movement in the United States that opposed American participation in the second world war.’ Photograph: Arnd Wiegmann/Reuters