You're reading: The Guardian: Why Nato is more relevant than it has been for 30 years

The last time the UK hosted a Nato summit was in 1990, when Margaret Thatcher was prime minister, the cold war was coming to an end, and the alliance was questioning its relevance in a multipolar world where soft power might count more than hard power. The old chestnut about Nato's purpose voiced by the first Nato secretary general, Lord Ismay - "to keep the Russians out, the Americans in" - looked hopelessly anachronistic. Russia famously had become a country with which the west felt it could do business. 

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