Last updated at 12:01AM, September 4 2014
As Russia holds a gun to Ukraine and Islamic extremists commit despicable murder, Nato must strengthen its alliance
When Nato last met in Britain in 1990 the Cold War was ending. As Margaret Thatcher and President Bush Sr pledged to continue to stand together, many might have thought that a new era of peace and prosperity would make this great security alliance less relevant. But today Nato is as vital to our future as it has ever been.
We meet at a time when the world faces many dangerous and evolving challenges. To the east, Russia has ripped up the rulebook with its illegal, self-declared annexation of Crimea and its troops on Ukrainian soil threatening a sovereign nation