When our middle son was in preschool, his teacher asked him to explain to the (overwhelmingly non-Jewish) class what the Jewish New Year was all about. Four-year-old David told them that on Rosh Hashanah and Yom Kippur, Jews go to a big building and "forgive God." Well, something like that. This week, Jews all over the world are gathering to observe the "Ten Days of Awe," the period that begins with Rosh Hashanah, the Jewish New Year, and culminates with Yom Kippur, the Day of Atonement. Like other Jewish holidays (Passover, Sukkot), Rosh Hashanah is celebrated for two days in...