Russia's Shadow War Escalates as Europe Fears NATO's Threshold Being Tested

European intelligence chiefs are sounding alarms that Russia's appetite for risk is growing, with a coordinated campaign of sabotage and hybrid attacks targeting countries that support Ukraine. The covert aggression — which includes the Leipzig airport explosion, a drone strike on a train near the Poland-Ukraine border, and an Italian jet downing a Russian drone over Lithuania — is described as a deliberate "shadow war" designed to disrupt Western aid to Kyiv while staying...