When an exiled South African journalist reluctantly explained the Nazi Holocaust to his seven-year-old son, the boy knew that no adult in Germany could have legitimately claimed “we did not know”.

The town was supposed to be a “safe area,” protected by U.N. peacekeepers, but Serb forces massacred 8,000 Muslim men and ...

The international community has had a patchy record on punishing, and an appalling record on preventing, genocide or acts of ...