Tensions between NATO and Russia sharpened Monday after the alliance’s top military commander said member states are considering whether they must become ‘more aggressive’ in confronting Moscow’s hybrid threat campaign. Admiral Giuseppe Cavo Dragone, chairman of NATO’s military committee, told the Financial Times the alliance is evaluating if it should be ‘proactive instead of reactive,’ including the possibility of ‘preemptive’ cyber or sabotage operations. Dragone said such actions could still fall under defensive doctrine, saying,...










