The International Criminal Court's March calendar illustrates why the Hague-based tribunal remains a deeply polarizing institution, two decades after its conception. Three appeals judgements next week deal with atrocities in Central African Republic, Democratic Republic of Congo, and attacks against cultural treasures in Timbuktu, Mali. Later this month, trial hearings continue against Dominic Ongwen, a former child soldier and senior commander of Uganda's Lord's Resistance Army rebel movement. For years, the ICC has weathered accusations of being excessively and unfairly focused on Africa, and a painfully slow, inefficient and expensive institution. Some of the world's biggest heavyweights,...