How is your Merkelsommer going? For now, Britain seems to be missing the worst. True, a couple of men of Middle Eastern appearance tried to abduct a soldier near his base in Norfolk for what was unlikely to have been an interfaith dialogue session. But Britain’s geographical good fortune, relative success in limiting weapons and our justified scepticism of the undiscriminating ‘open borders’ brigade mean that we have so far been spared the delights of what Angela Merkel’s growing army of critics refer to as her summer of terror.