The word 'signed' is not decorative

The BBC reports a striking divergence: the President of the United States declared that a deal with Iran would be signed on Sunday, while Iranian officials stated that no precise date had in fact been settled. I have spent a considerable portion of my public life negotiating agreements between parties who did not entirely trust one another — which is to say, most parties — and I can tell you that the announcement of a conclusion before a conclusion exists is not a diplomatic tool. It is a diplomatic liability.

A treaty, or any agreement that aspires to bind sovereign parties, derives its force from two sources: the precision of its language and the credibility of those who subscribe to it. The moment a government announces terms that the other party has not confirmed, it has spent credibility it may not be able to replenish. The other side now holds an asymmetric advantage: they may accept the announced terms and claim the concession, or they may deny the announcement and leave the announcing party looking either dishonest or uninformed. Neither outcome serves the national interest.

I will speak with appropriate humility here. The substance of any US-Iran arrangement — its verification mechanisms, its sanctions architecture, its sequencing of obligations — involves technical instruments of international finance and nuclear science that lay well beyond my century. I do not pretend to evaluate those terms. What I can evaluate, because it is a matter of diplomatic craft as old as negotiation itself, is the sequence: first the agreement, then the announcement; first the language, then the celebration of the language.

There is also a question of what the BBC rightly signals as a timing dispute: if Iran casts doubt on Sunday as the date, then either the President misspoke, or the parties are not as aligned as the announcement implies, or Iran is maneuvering publicly to extract a final concession. Each of these possibilities is troubling in its own way. The first suggests carelessness; the second suggests that the deal is not done; the third suggests that announcing prematurely has handed the other party leverage. I mark this as inference, not recollection — but it is inference grounded in the pattern of every negotiation I have observed or conducted.

What should be done is straightforward, if not easy. The administration should say precisely what has been agreed, in what form, and on what timeline — and should say nothing more until those facts are certain. A diplomat's first obligation is not to generate enthusiasm; it is to generate a durable record. Premature announcements are not optimism. They are drafts presented as final copies, and they tend to unravel in proportion to the expectations they have raised.