Israel is defending itself in the United Nations' highest court Thursday against allegations that it is committing genocide with its military campaign in Gaza. South Africa asked the International Court of Justice to order Israel to immediately stop the war, alleging it has violated the 1948 Convention on the Prevention and Punishment of the Crime of Genocide, which was drawn up in the aftermath of World War II and the Holocaust. The convention defines genocide as acts such as killings “committed with intent to destroy, in whole or in part, a national, ethnical, racial or religious...