For decades, Iran managed to bluff American presidents. It deterred attacks from a superpower and carried out proxy campaigns against its neighbors and Israel. Our strikes on Iran on Saturday are evidence that this long-term strategy of negotiating in bad faith is bankrupt. The military campaign underway is the direct result of Iranian leaders’ foot-dragging, obfuscation and delay tactics. This time, they misjudged the president. The path to today began in 2020, when President Trump made the decision to strike then Maj. Gen. Qassim Suleimani, an Iranian military leader who masterminded attacks against American people and facilities in the Middle...