Crises cast shadows on the polities in which they occur. The sense of threat and uncertainty that pervades them shatters people's understanding of the world around them. Scholars have argued that the very occurrence of a crisis or the widespread use of the ‘crisis’ label to denote a particular state of affairs or development implies a ‘dislocation’ of hitherto dominant social, political or administrative discourses (Wagner-Pacifici 1986, 1994; Howarth et al. 2000). This dislocation can delegitimise the power and authority relationships that these discourses underpin, and may pose grave challenges to the position of incumbent officeholders and institutions or to established policies and organisations. At the same time, crisis opens up semant...