If it is true that wars begin in the minds of men then Iran and Western powers have been at a state of war for some time. Martial rhetoric has been accompanied by steady military build-up and unprecedented diplomatic shut-down as each side throws away their steering wheel in this most dangerous of games of chicken.
Philip Hammond is to warn Iran that any attempt to block the Strait of Hormuz, a vital shipping lane, would be "illegal and unsuccessful" and would be...