But what if any difference it will make to the EU's effectiveness or credibility is anybody's guess.
"Whether octonions have anything to do with the real world is still anybody's guess," he says.
The coverage of the governor's troubles lifted newsroom morale but it is anybody's guess how long that will last.
Before the euro was introduced, it was really anybody's guess how much this ultimately mattered: there were relatively few examples of countries using other nations' currencies.
Whether the Astrium system will remain a specialised novelty or will be the forerunner of something more like the cosmic power stations of Asimov's imagination is anybody's guess.