Our world affairs editor reflects on how, despite years of negotiations, we came once again to the brink of conflict
Countries tend to go to war when diplomacy fails. But Washington and Tehran are now facing off because it succeeded. It was because the 2015 nuclear deal was Barack Obama’s proudest foreign policy achievement that Donald Trump was so determined to destroy it.
The US and Iran are sliding back towards the brink of conflict. If a missile had landed a little bit differently in the course of the latest exchange of hostilities, they would probably be at war by now.