In the past several days, there have been surprising developments in the negotiations between Washington and Tehran over Iran’s civilian nuclear program. U.S. President Donald Trump has frequently, but not always, defined the goal of the negotiations as being limited to preventing Iran from getting a nuclear weapon. He repeated that definition as recently as May 15, saying Iran must “permanently and verifiably cease pursuit of nuclear weapons…They cannot have a nuclear weapon.” But the message from his team has been contradictory. Then-National Security Advisor Mike Waltz said that the...
