Our understanding of civil war is shot through with the spectre of quagmire, a situation that traps belligerents, compounding and entrenching war's dangers. Despite the subject's importance, its causes are obscure. A pervasive 'folk' notion that quagmire is intrinsic to certain countries or wars has foreclosed inquiry, and scholarship has failed to identify quagmire as an object of study in its own right. Schulhofer-Wohl provides the first treatment...