Nigeria, March 14 -- We live in dangerous times, and politicians are happy to be cheerleaders of that supposed fact. They do not care to reassure; they merely care to strike fear into hearts and feed the sort of pernicious despondency that encourages conflict. Hope is not a political currency worth trading. These days, fear is a bankable asset, easily cashed at a moment's notice.

The March 6 meeting of the Special European Council was a chance for 27 leaders of the European Union to make that point. It was time to cash in on the Russia threat and promote a strategic vision that spoke of elevated dangers. It was, in other words, a good time to be throwing money at the militaries of the various member states.

The language was clear from t...