Recent years have seen a number of whistleblowers risk their liberty to expose illegal and corrupt behaviour. Some have heralded their bravery; others see them as traitors. Can there be a moral duty to emulate their example and blow the whistle? In this book, leading political philosophers Emanuela Ceva and Michele Bocchiola draw on well-known cases, such as those of Edward Snowden and Chelsea Manning, to probe the difference between permissible...