Across Europe, a quieter kind of conflict is taking shape — not the open clash of armies, but a deliberate campaign of sabotage, disinformation, and military probing that tests the edges of what an alliance can absorb before it must respond. Russia, unsatisfied with the stalemate in Ukraine, appears to be mapping NATO's fractures from the inside, learning where unity ends and vulnerability begins. European governments are no longer asking whether pressure will come, but preparing for a confrontation that may never announce itself clearly — arriving instead as a slow accumulation of provocation