Catalysts for Change examines the strengths and weaknesses of one of the United Nations’ most important human rights mechanismsthe collection of independent experts known as special proceduresas they negotiate the rocky terrain where rights meet reality. These independent experts serve as the eyes and ears of the UN human rights system. Despite their prolific work as experts and advocates, however, there has been no empirical study of their impact at the national leveluntil now. This book provides concrete evidence of why the system works and ways it can be improved.