Many raised their eyebrows: a war in Europe? Unimaginable, especially since the great majority of Europeans were not alive during the last major military confrontation. True, in the early 1990s Yugoslavia went through a bloody collapse right on our doorstep. But back then everything seemed so remote, despite the fact that those unhappy places were only a few hours' drive away. There are many possible arguments against the idea that a war in Europe could still break out. But how valid are they in the midst of the storm that has taken over the Union?