Yom Kippur is a time for repentance, for confessing all the wrongs that we have committed against others, and seeking to change our behavior towards them. Are the dozens of sins listed in the Al Cheits sufficiently encompassing? The text has been canonized for centuries. Still, a penitent person should certainly add repentance for further sins if he feels that he has not been sufficiently remorseful for them. Actually adding to the canonized text is a little less Orthodox, yet still understandab...