 For the existentialists, engagement is the source of meaning and value; in choosing myself I in a certain sense make my world. On the other hand, I always choose myself in a context where there are others doing the same thing, and in a world that has always already been there. In short, my acting is situated, both socially and historically. Thus, in choosing myself in the first-person singular, I am also choosing in such a way that a first-person plural, a “we,” is simultaneously constituted. Such choices make up the domain of social reality; they fit into a pre-determined context of roles and practices that go largely unquestioned and may be thought of as a kind of collective identity. In social action my identity takes shape against a background (the collective identity of the social formation) that remains fixed. On the other hand, it can happen that my choice puts this social formation or collective identity itself into question, and so who I am to be is thus inseparable from the question of who we are to be. Here the first-person plural is itself the issue, and the action that results from such choices constitutes the field of the political.