Developments in information technology and globalised media mean that the most powerful military in the history of the world can lose a war, not on the battlefield of dust and blood, but on the battlefield of world opinion.

The main problem with American power is not that it is American... No, the main problem with American power is the power itself. It would be dangerous even for an archangel to wield so much power.

After saying yes to Turkey, the EU is having difficulty finding clear and consistent grounds for saying no to other, still more remote candidates - but being in the general vicinity of Europe does seem to be a continuing requirement.

I have also been saddened, though hardly surprised, by the weakness of the EU's reaction to the criminal attack on the Danish embassy in Syria, which seems to have been permitted, if not actively encouraged, by the Syrian regime.

Nuclear proliferation - the proliferation of WMDs altogether - is one of the greatest dangers of our time.

People feel that European institutions are remote and bureaucratic, run by shady cosmopolitan elites. Britain is not absolutely exceptional because if you look at the opinion polls, those sentiments are now quite widespread also in continental Europe.

That said, the question remains: how to strike the balance between free speech and mutual respect in this mixed-up world, both blessed and cursed with instant communication? We should not fight fire with fire, threats with threats.