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Trident

Of course this debate is about our role in the world at present, which is why I am talking about the middle east, North Korea, Iran and elsewhere. I am simply pointing out that, in deciding on what should be our current role in the world, we have to be conscious of the lessons of history; otherwise, we will repeat some of the mistakes of history, such as that to which the right hon. Member for Greenwich and Woolwich (Mr. Raynsford) has just referred.