Boris Johnson has pressed the big red button marked ‘Hitler’. Watch out | Matthew d’Ancona

In the Tory civil war over the EU, leadership hopefuls will soon know if they have backed the right sideIt takes me back to the 1990s as reliably as the first notes of Wonderwall. In the Sunday Telegraph Boris Johnson compared the European Union to Hitler’s campaign to dominate the continent, and I was transported to the days when Tory Eurosceptics fighting the Maastricht treaty routinely compared “Brussels diktats” to the pan-European ambitions of the Führer.Their hero wa