The ending of the arms treaty governing nuclear arms between the US and Russia removes one more layer of protection for the world against atomic weapons use. And it probably could not come at a worse time, with tensions between Russia and NATO almost piano-wire tight and the US increasingly ambivalent towards the alliance. This was the Treaty on Measures for the Further Reduction and Limitation of Strategic Arms - or New START - agreements that was signed by both sides back in the year 2010.