Europe's race to rearm is pointless if its adversaries are waging war online

Europe is scrambling to remilitarise. The European Commission is raising a €150bn (£129bn) defence fund and is calling on EU countries to invest €650bn (£561bn) more. Germany has cast aside its government debt limit to invest hundreds of billions of euros in defence. Poland will train every male of fighting age for battle, and envisages an army 500,000 strong. Latvia's president has urged the rest of Europe to conscript citizens, as Latvia does. Even neutral Ireland is buying combat jets. No wonder Europe's defence industry is booming. In just a few months, the share prices of several big weapons manufacturers…