Near the threshold between war and allied territory, a Russian drone struck a train along the Ukraine-Poland border corridor shortly after a delegation of Western former leaders had passed through — a narrow margin of time that raises enduring questions about surveillance, vulnerability, and the cost of solidarity. The attack fits a broader Russian pattern of degrading the arteries through which Ukraine sustains itself, yet its proximity to high-profile diplomatic movement invites a darker reading: that no route, however close to safety, offers true sanctuary. In continuing to send senior figu