We owe it to the victims of the suicide bombers who struck London on 7 July 2005 to find out how the attacks happened and to learn the lessons that will spare lives in the future.

To a considerable extent we are faced by a technology arms race with terrorists. The communications revolution has made it easier for terrorist groups to reach out to vulnerable individuals with their violent extremist ideology and propaganda. It has also facilitated fundraising, recruitment and training.

I was certainly never conscious of 'playing the woman'. I would not have approved of that. It is not a winning tactic. I operated in the world as I found it, and it was a man's world.

As the BBC approaches the final phase of decisions about its future, it will be important for those involved to be established in post and ready to take responsibility for implementation of the outcome.

One of the marked characteristics of the U.K. security industry as compared with defence is the lack of company scale. This can put our firms at a competitive disadvantage when it comes to big contracts.

Those who say that the West and Islam are eternally irreconcilable have more in common with the Islam extremists than they might like to think, for it's the very same argument of course advanced by Al-Qaida. And they do have it wrong. We need to work with mainstream Islam.

The BBC's television, radio and online services remain an important part of British culture and the fact the BBC continues to thrive amongst audiences at home and abroad is testament to a professional and dedicated management team who are committed to providing a quality public service.