In a world order in which the Great Powers and many lesser ones are turning to war and genocide, popular enforcement of international law is one of the few means for protecting ourselves and the world against a cataclysmic plunge into unlimited military destruction.
By virtue of the U.S. Constitution, international law and international treaties are explicitly a part of U.S. law. U.S. Supreme Court Justice and Nuremberg prosecutor Robert Jackson stated, “The very essence of the Nuremberg Charter is that individuals have international duties which transcend national obligations of obedience imposed by the individual state.” So, obligations under international law are also obligations under U.S. law.