A long-awaited inquiry into Britain's role in the Iraq war will begin in London on Tuesday. <br /> <br />Military chiefs, diplomats and government ministers are all expected to testify. Proceedings are expected to culminate with Tony Blair, the former UK prime minister, taking the stand.<br /> <br />The inquiry's chairman has said he is confident of producing a "full and insightful" account of the decision-making process, which took Britain into the conflict. <br /> <br />Tim Friend reports.
