Lisa Farese’s eighth-graders learn about hate and ethical editing by watching IWitness videos, and then go to different corners of the school to discuss important issues.

In 2003, I and others were preparing for the opening of the Kigali Genocide Memorial to commemorate the 1994 Genocide against the Tutsi in Rwanda when a volunteer data collector emptied the contents of a brown manila envelope onto my desk. There on top of the pile of papers and photos was a photo of two little girls.