Frank Gardner is the BBC's security correspondent and sent you his comments from Washington in the US.

This is a new type of war, fought in a different way by different means. But as with all wars, it will test not just our ability to fight, but our character, our resilience and our belief in our own way of life.

Tony Blair

John Sweeney is an investigative journalist who has reported from all over the world on human rights issues and miscarriages of justice.

Among the issues they debated with you were the government's responsibility to warn the public of attacks, the detention of foreign terror suspects in UK jails without trial, and the role of the media in reporting terrorism.