The great western error about the Taliban is to assume homogeneity.

More and more, modern warfare will be about people sitting in bunkers in front of computer screens, whether remotely piloted aircraft or cyber weapons.

While I believe firmly in open markets and free trade, I also believe an open market needs a level playing field.

I remember the day after the general election when Harold Wilson had lost, I remember quite clearly cycling from my house in Hutton along Long Ridings and feeling what a relief to live in a country with a Tory government again.

We will build in Britain a cyber strike capability so we can strike back in cyber space against enemies who attack us, putting cyber alongside land, sea, air and space as a mainstream military activity.

Cyber weapons provide the tantalising possibility of being able to cripple the enemy without inflicting lasting damage on them.