Despite not having been used in anger since Hiroshima and Nagasaki, the atomic bomb is still the biggest threat that faces us in the 21st century. As Bill Clinton's first secretary of defence, Les Aspin, aptly put it: 'The Cold War is over, the Soviet Union is no more. But the post-Cold War world is[...]

Like making war, diplomacy has been around a very long time, at least since the Bronze Age. It was primitive by today's standards, there were few rules, but it was a recognizable form of diplomacy. Since then, diplomacy has evolved greatly, coming to mean different things, to different persons, at d[...]