For much of the twentieth century, most religious and secular Jewish thinkers believed that they were witnessing a steady, ongoing movement toward secularization. Toward the end of the century, however, as scholars and pundits began to speak of the global resurgence of religion, the normalization of secularism could no longer be considered inevitable. Recent decades have seen the strengthening of Orthodox movements in the United States and in Israel; religious Zionism has grown and radically changed since the 1960s, and new and vibrant nondenominational Jewish movements have...