To be fair, blame the Germans has proven to be a solid political strategy regarding European affairs for quite a while, and not for no reason. It’s nearly as popular in the UK, historically speaking, as blame the French. And Leo Varadkar might be happy that Boris Johnson isn’t blaming Ireland for the no-deal Brexit everyone knows is coming.But even as much as everyone likes to blame the Germans, this looks like a stretch: An anonymous official in Boris Johnson’s office told broadcast reporters on Tuesday that negotiations with European leaders over Brexit were “essentially impossible” after the British...