A Canadian Jewish businessman has spearheaded efforts to rescue Iraqi Yazidi and Christian girls from slavery after the girls were captured by ISIS troops, using money donated privately by business contacts. The businessman has cited Oskar Schindler, who rescued Jewish children from the holocaust, as his inspiration. Last summer the world looked on in horror as ISIS swept through north Iraq, home to Assyrian and Chaldean Christians, and Yazidis. Hundreds of thousands fled before them, but thousands more starved to death in the desert, or were captured by Islamic forces. Girls in particular were bartered for in the markets, standing...