My hon. Friend makes an important point. The past is a poor predictor of the future. Also, looking back at our own history, we can say that we are not good at predicting the future.
Thirdly, as the Prime Minister has said, we cannot outsource our security—or rather, we can, but we take a grave risk if we do so. In the early post-cold war period, the willingness of the United States to stand with its allies—