From: Rabbi Moshe Sofer
To: Rabbi Shimon
Rabbi Shimon asked why the Tur needs a separate reason for reading Parshas Nesi'im on Chanukah, why no extra Torah portion is read for sfeika d'yoma on the second day of Sukkos, and why women do not recite the berachah before tevilah.
Source: Shu"t Chasam Sofer OC §188