I grew up on the Birnbaum siddur, I admit it. I read the little explanations at the bottom of the page over and over. Later, I bought a set of Artscroll machzorim and used those on Rosh Hashana and ...
Why do we not say Avinu Malkienu on Shabbos and why is the Teffilah of Neilah the exception to this very rule?
Just what the title says. I've heard that it's because we don't supplicate Hashem on shabbat, but this seems a little simplistic. What are the issues here?