The use of chemical weapons in Damascus should, at the very least, give us pause to reflect on the principles guiding our nuclear weapons policies.
Neither ending the bloodshed nor preventing the further use of weapons of mass destruction in Syria is served by military intervention. Amidst speculation over the US-UK special relationship, the Iranian reaction points a way forward.
The cancellation of Obama's September meeting with Putin has led some observers to predict doom for the arms control agenda. But beyond this bilateral sticking point, inter-state agendas are on the move.
Next week is the 68th anniversary of the atomic bombing of Hiroshima and Nagasaki. Climbing down the nuclear ladder is an undeniably complex task, but one the world’s politicians must continue to rise to.
The nuclear weapons debate in the UK has been steadily diversifying and maturing, but thus far has remained an elite, rather than truly electoral, issue. Tomorrow's publication of the Trident Alternatives Review is significant as austerity hits and defence budgets come under scrutiny.