JTA — As the ceasefire between Israel and Hamas enters its second week, prominent Jews from around the world who have criticized Israel throughout the war have now signed onto a letter urging global leaders to ensure that the deal results in a “new era of peace and justice for all.” The letter, which was addressed to António Guterres, the secretary-general of the United Nations, and world leaders, also demands that Israel be held to account for “grievous violations of international law.” “It was international pressure that helped to secure this ceasefire, and it must be sustained to guarantee that...