Like pensions and insurance, defence is one of those subjects to which too many people only pay attention when things go wrong. You might think, in the light of the past decade, that this would have changed. But you would be sadly mistaken. Even today, even after Iraq, few mainstream MPs without an immediate personal or constituency interest in the subject turn up in the Commons for defence debates. Many politicians who are thoughtful about a range of domestic issues still pass by on the other side when the conversation gravitates to the military. In this they reflect the British...