I have been struck by the unhelpfulness of ideology to my own efforts to think through the complexities of recommended or preferred policy in relation to Syria, and more recently, the Ukraine. There is no obvious posture to be struck by referencing a ‘left’ or ‘right’ identity. A convincing policy proposal depends on sensitivity to context and the particulars of the conflict. To insist that the left/right distinction obscures more than it reveals is not the end of the story. To contend that ideology is unhelpful as a guide for action is not the same as saying that it is irrelevant to the public debate. In the American context, to be on the left generally implies an anti-interventionist stance, while being on the right is usually associated with being pro-interventionist. Yet, these first approximations can be misleading, even ideologically. Liberals, who are deliberately and consigned to the left by the...