2/3. When he came to power, Blair proclaimed that he hoped he would not send a single British soldier to war. Yet he ordered troops into battle five times in his first six years.

Michael Cockerell reveals the reasons why. New footage and candid interviews with key insiders help tell how Blair was able to build a relationship with President Bush, and how Blair's burning sense of personal mission led him to wars that climaxed with Iraq.

Prime Minister's Questions are in The Daily Politics, Wed 11.30am