Regime change in Iran is essential, but not guaranteed

Trump has taken the biggest risk of his presidency. But what happens next?

The end point of armed conflict is impossible to predict. In her book On Violence (1970), the philosopher Hannah Arendt argued that when it comes to political violence, ‘the means used to achieve political goals are more often than not of greater relevance to the future world than the intended goals’. However well planned and executed, wars have a tende…