Matters of principle. The Fundamental Principles turn 50 years old this year. What better time to examine the challenges faced in putting these key guiding principles into action? In this story, a volunteer from Pakistan tells how what started as a routine food distribution mission revealed a series of dilemmas, questions and diffi cult choices. Also in this issue: Fundamental Principles 2065; Disaster risk reduction; Economic crisis and migration; The missing, Cases of identity.