Change is a process: future is a destination. People want a sense of hope, possibility and pride about Britain.

In an era of billion-person countries and trillion-pound economies, we need to find ways to amplify our voice. We are most likely to be heard when the Chinese negotiate with a £10 trillion E.U., not a £1.5 trillion Britain.

It is already clear that, because of advances in technology, drones are going to play an increased role in warfare in the years ahead. It is therefore vital that the legal frameworks governing their use are robust and internationally recognised.

Historically, Labour has used technology as a form of control. We would use pagers and faxes to send out messages telling people what line to take. The key learning from the Obama campaign is to use technology to empower your supporters.

For me, fiscal realism is not a betrayal of Labour values; it is the foundation by which we win the trust of the public.

It was here in Edinburgh that in the 1980s I joined with many others to protest against Margaret Thatcher as she arrived to address the General Assembly of the Church of Scotland.

The Government have consistently made it clear that the mechanism in the United Kingdom whereby the European draft constitutional treaty could be implemented is approval by the House of Commons followed by a referendum of the people of Britain. There is no question of implementing it by the back door.