Within the span of a single day, the United States moved from the threshold of military action against Iran to a declared pause in the name of diplomacy — a reversal that speaks to the volatile interplay between threat and negotiation in the modern geopolitical order. President Trump, who had promised strikes on Iranian energy infrastructure, announced Saturday night that he had stood down at the request of Iran and regional allies, citing progress toward a deal on the Strait of Hormuz and Iran's nuclear program. The episode reveals how quickly the architecture of confrontation can shift when