BRUSSELS — Most EU capitals are ignoring Brussels’ push to coordinate arms purchases — and the bloc has little power to get them to step up. Fewer than half of member countries are even bothering to report what they’re buying together, undercutting a flagship effort to get Europe to spend smarter on defense. Only 12 out of 27 member states submitted data on joint procurement, Defense Commissioner Andrius Kubilius said in a written reply to a European Parliament question, citing the latest