From Warsaw comes a warning that carries the weight of geography and history: Poland, a NATO member bordering both Ukraine and Belarus, has signaled that Russia may be preparing to strike alliance territory directly with drones and rockets. If realized, such an act would not merely widen an existing war but transform its fundamental nature — crossing a threshold that the Western alliance has long held as inviolable. The warning asks a question that Europe has quietly feared since the conflict began: how long can a war of this magnitude remain contained?