Andreas Kluth: Tanks or think tanks? The EU must choose

Europe has dithered for decades over whether or not to unify its armies. There is greater urgency now that Nato’s efficacy is being questioned by the US, says
As Nato allies gather near London this week, at the swanky Grove Hotel, existential questions linger: How long will we be around as an alliance? Do we still look united enough to deter aggressors? And can a ‘European army’ spring up to supplement, perhaps even replace, our transatlantic league?