Louis Althusser\u27s 1970 essay “Ideology and ideological state apparatuses” is arguably the most influential and important document in contemporary critical practice and its theory. In one way this is puzzling, for the essay contains almost nothing that can be recognized as an argument. It does not put forward a causal theory of the rise and fall of forms of social life. It offers no deductions, and it contains only a few sketchily described examples of ideologies. The essay is instead filled with oracular pronouncements, couched in a terminology partly invented and partly cobbled together from the Marxist tradition and from Lacan. Yet there it is. Althusser\u27s work receives more extended discussion – thirty-five consecutive pages, plus ...