On the 19th day of the US-Israeli war against Iran, the conflict is being shaped by two interlocking dynamics wherein the nuclear threshold has not been crossed but is increasingly blurred, while the fighting has spread across multiple theatres. Together, these trends reinforce each other, with each escalation raising the nuclear risk even as the grinding nature of the war makes de-escalation harder. The latest escalation underscores this shift. A strike on the Bushehr nuclear power facility, though limited in immediate damage, has pushed the conflict into a more dangerous phase. The absence of a radiological incident has not diminished the significance of the event. It has instead introduced a new risk regarding the possibility of reciprocal targeting of nuclear-linked infrastructure. Similarly, Trump’s plan for seizing enriched uranium stockpiles carries extreme escalation risks. While any such move would almost certainly trigger Iranian retaliation, there are risks with even attempting to seize those stock...