Yizkor. “Remember…Don’t forget” (Deuteronomy 25:17&19). Yizkor, The Memorial Prayer, is a very popular custom, if I may use an inappropriate word, mainly in the Ashkenazi world. On the last day of each of the three Biblically ordained Pilgrim Festivals, Pesach, Shavuot, and Sucot, we add memorial prayers for departed parents or other lost relatives. Although remembering the dead goes back…