Foreword: Challenges to the Protection of Whistleblowers in a Comparative Perspective - International Journal of Comparative Labour Law and Industrial Relations View Foreword: Challenges to the Protection of Whistleblowers in a Comparative Perspective by - International Journal of Comparative Labour Law and Industrial Relations Foreword: Challenges to the Protection of Whistleblowers in a Comparative Perspective 41 1 International Journal of Comparative Labour Law and Industrial Relations