During the last parliament William Hague likened the issue of Europe to an unexploded bomb at the heart of the Conservative party — best leave it alone, or it might well detonate. But it still dominates British foreign policy. However far David Cameron has travelled in search of a different world — paying tribute to Nelson Mandela in South Africa or inspecting melting glaciers in Norway — he would always return to find this huge relic from a previous war sat in the middle of the Tory living room.

Lahore, Pakistan From a distance, the devastating attacks on Shia Muslims in three Afghan cities this week looked like the type of sectarian religious attacks which we got used to in Iraq. The faultline between Sunni and Shia is one of the greatest and most violent in the world, and now and again it divides countries. But in Afghanistan, nothing is ever this simple. For all its woes, it hasn’t seen a sectarian religious attack for ten years.

The odd thing about the great debate on global warming is that there never really was a debate. As soon as the global warming scare exploded on the world in 1988, to its promoters there could be no argument about it. The scientists who that year set up the UN’s Intergovernmental Panel on Climate Change (IPCC) were already convinced beyond doubt that ‘human-induced climate change’ was a reality. Al Gore was soon already pronouncing ‘the science is settled’.