Twenty years after the charity concerts for the Sahel Nigerien politicians, institutional donors, aid agencies and humanitarian organisations clashed on the nature and substance of the crisis affecting Niger in 2005. Identifying the causes of, and adequate responses to, the situation also gave rise to profound disagreements. Having set up their most ambitious emergency nutrition programme to date, Médecins Sans Frontières found itself at the forefront of these controversies.

« Never again »: in the wake of the second World War, the terror caused by the Holocaust led the community of states to condemn genocide as a crime and to create a new international organization, the United Nations. And yet, half a century later, the international community did nothing to prevent the first undeniable genocide since that of the Jews: it let the massacre of the Rwandan Tutsis and merely sent humanitarian aid, even though it was nearly over.