The major celebration of the Jewish High Holy Days of Rosh Hashanah (The New Year 5787, beginning at sundown on Friday) and Yom Kippur (The Day of Atonement, begging at sundown on Sept. 20) is enhanced by a probing and provocative volume of the quality of “To Be A Jew Today: A New Guide to God, Israel and the Jewish People.” The recent book was written by Noah Feldman, the Felix Frankfurter Professor of Law and chair of the Society of Fellows at Harvard University where he is the founding director of the Julis-Rabinowitz Program on Jewish and Israeli Law.Feldman...