Good morning. The world is at war. From the trenches of eastern Ukraine to the missile-streaked skies of the Gulf, a growing proportion of humanity is living under the horror of conflict. For some observers, there are gnawing fears that the worst is yet to come. The apparent collapse of the rules-based international order, the irrelevance of institutions designed to uphold it, and the interconnectedness of the fighting have sparked warnings that we could be at the beginning of a third world war. Indeed, half of Britons polled in a recent YouGov survey thought world war three was likely in the next five to 10 years.