Two years ago, the two of us, a Muslim-American woman, and a Jewish-American man, wrote a book together, arguing that American Muslims and Jews cannot afford to allow the Israeli-Palestinian conflict to divide our faith communities here at home. We believe in that principle today as much as we did then. But as we watch with horror the ever-escalating war in Gaza and Israel, we are also acutely aware that the conflict poses a growing peril that could tear our faith communities here in America irreparably apart. Indeed, the lines are being drawn. Members of the Jewish community feel that...