Once the fog of war had cleared, the conflict in Iraq became the subject of intense and often heated debate about the constitutional and legal underpinning of Tony Blair's decision to stand shoulder to shoulder in the desert with George Bush, culminating in the attempt to impeach Tony Blair. In How To Go To War one of Britain's best young constitutional experts examines all the issues from both a domestic and an international point of view, and assesses how far the arguments of the dissenters stand up.