Rethinking the open cityPlanners, privatisation, and police surveillance are laying siege to urban public spaces. The streets are becoming ever more regimented as life and character are sapped from our cities. What is to be done? Is it possible to maintain the public realm as a flexible space that adapts over time? Can disorder be designed? Fifty years ago, Richard Sennett wrote his groundbreaking work The Uses of Disorder, arguing that the ideal of a planned and ordered city