The nuclear deal is a force for stability in the unstable Middle East –and to endanger it is irresponsible, says Michael Axworthy, author of Revolutionary Iran

Islamic State hates Shia Muslims as much as it hates the west. UK foreign policy needs to reflect the fact that the terror group is a common enemy

We cannot say we abhor the use of weapons against civilians in Aleppo, yet supply such weapons for use against civilians in Yemen

If Trump walks away from the agreement, Iran will revert to its previous policy of enriching uranium that could someday be used to create a nuclear weapon

Whoever’s president, the future of US-Iran relations isn’t rosy. Trump is populist and unpredictable, but Clinton’s hawkishness could mean a hardline approach

Far from being a guarantee of stability in the Middle East, the western alliance with the kingdom is an impediment to peace

Michael Axworthy: Despite suggestions that the deadline for negotiations may be extended, the benefits of a settlement for all parties are now in plain view

Michael Axworthy: There are risks, and much still to be done, but after more than a decade of interventionist wars this nuclear deal is welcome

Michael Axworthy: The new president will come from a shrinking field of candidates, approved by a state determined to survive

Michael Axworthy: Iran and the the US can make nuclear history – all their leaders need is the political courage to say yes