History remembers Gen Dwight Eisenhower, the supreme commander of the allied forces in Europe during the second world war, for his role in the D-day invasion of Normandy. Whether Scott Bessent will achieve similar posterity as the face of the “economic D-day” in Iran remains to be seen.

The US treasury secretary, already trying to manage a $40tn national debt pile, this week took charge of Donald Trump’s effort to reverse-engineer his war of choice. Whereas the US would typically take on an adversary with diplomacy, sanctions and military force, in that order, the US president started with a six-month bombing campaign and now hopes that economic isolation can finish the job.